Activewear, ranked by PFAS safety

199 products graded A to F, safest first. None have earned a C or better yet, so we show the full ranking and the least-concerning options first.

Buyer’s guide

What to look for in activewear, and which brands grade best and worst

Read →

Graded and flagged D and F, we’d swap these

lululemon Women's Align High-Rise Pant 25

Lululemon

Women's Align High-Rise Pant 25

Nylon/Lycra blend (Luxtreme or similar elastic technical fabric)

D
D · Elevated

Lower concern; athletic wear without water-repellent coating treatment, but brand discloses nothing about PFAS.

Risky category by default

lululemon Women's Align High-Rise 25" Leggings

Lululemon

Women's Align High-Rise 25" Leggings

Nylon elastane blend (Luxtreme fabric)

D
D · Elevated

Lower concern; synthetic stretch athletic wear without known PFAS treatments, but brand discloses nothing.

Risky category by default

lululemon Align Leggings Women's High-Rise Pant 25

Lululemon

Align Leggings Women's High-Rise Pant 25

Nylon/nylon blend (Align fabric blend, primarily synthetic)

D
D · Elevated

Lower concern for PFAS, but Lululemon provides no public transparency on water-repellent coating treatments or chemical use.

Risky category by default

lululemon Women's Wunder Train 25" Leggings

Lululemon

Women's Wunder Train 25" Leggings

Nylon/polyamide blend (Luxtreme or similar synthetic blend)

D
D · Elevated

Lower concern; synthetic athletic wear without water-repellent finish likely avoids PFAS, but brand transparency is lacking.

Risky category by default

lululemon Women's Align High-Rise Mini-Flare Pant

Lululemon

Women's Align High-Rise Mini-Flare Pant

Nylon/Lycra blend (Align fabric, proprietary knit)

D
D · Elevated

Lower PFAS concern; core fabric unlikely to contain PFAS, but Lululemon provides no public transparency on water-repellent coating treatments or chemical inputs.

Risky category by default

Women's Nike One High-Waisted 7/8 Leggings

Nike

Women's Nike One High-Waisted 7/8 Leggings

nylon/polyester blend, no waterproof or stain-resist coating disclosed

D
D · Elevated

Lower concern, basic athletic leggings with no water-repellent coating or stain treatment; PFAS risk appears minimal but Nike discloses nothing.

Risky category by default

Nike Women's Pro Sculpt High-Waisted 7/8 Leggings with Pockets

Nike

Women's Pro Sculpt High-Waisted 7/8 Leggings with Pockets

Nylon/spandex blend (no water-repellent coating)

D
D · Elevated

Lower-concern basic leggings; no PFAS-treatment triggers detected.

Risky category by default

Nike Women's Sportswear Classic High-Waisted 7/8 Leggings

Nike

Women's Sportswear Classic High-Waisted 7/8 Leggings

Polyester blend (nylon/spandex mix)

D
D · Elevated

Lower PFAS concern, basic stretch leggings with no water repellent finish, but Nike discloses nothing.

Risky category by default

Nike Women's High-Waisted 7/8 Leggings

Nike

Women's High-Waisted 7/8 Leggings

Nylon/polyester blend knit fabric, no water-repellent coating (water-repellent coating) coating specified

D
D · Elevated

Lower concern, standard leggings without water-repellent treatment or disclosed coatings.

Risky category by default

Women's Leggings Nike Pro 365

Nike

Women's Leggings Nike Pro 365

Polyester blend (primary); elastane/spandex

D
D · Elevated

Lower concern, standard athletic leggings with no known PFAS-treatment triggers.

Risky category by default

Nike Girls Pro Leggings

Nike

Girls Pro Leggings

polyester/nylon blend (standard athletic leggings, no water-repellent finish disclosed)

D
D · Elevated

Lower concern, standard athletic leggings without disclosed water/stain treatment.

Risky category by default

Nike Women's Chill Knit Mid-Rise Ribbed Tights

Nike

Women's Chill Knit Mid-Rise Ribbed Tights

Nylon/polyester knit blend, no waterproofing or coating disclosed

D
D · Elevated

Lower concern, basic athletic knit without water/stain treatments, but Nike provides no PFAS transparency.

Risky category by default

Nike Women's One Seamless Front High-Waisted Full-Length Leggings

Nike

Women's One Seamless Front High-Waisted Full-Length Leggings

Nylon/polyester blend, no documented waterproof or stain-resistant coating

D
D · Elevated

Lower concern; standard athletic leggings with no water-repellent coating or special coatings flagged.

Risky category by default

Women's adidas Essentials 3 Stripes Leggings

Adidas

Women's adidas Essentials 3 Stripes Leggings

Polyester blend (likely nylon/elastane mix); no water-repellent or stain-resistant finish described

D
D · Elevated

Lower PFAS concern; basic synthetic leggings without performance coatings.

Risky category by default

Women's adidas Optime 3-Stripes Full-Length Leggings

Adidas

Women's adidas Optime 3-Stripes Full-Length Leggings

polyester/nylon blend with standard weave

D
D · Elevated

Lower PFAS concern for basic athletic leggings; no water-repellent coating finish means minimal PFAS risk, though Adidas discloses nothing.

Risky category by default

Woman adidas Hyperglam 3 Stripes leggings

Adidas

Woman adidas Hyperglam 3 Stripes leggings

Polyester with elastane (spandex)

D
D · Elevated

Lower PFAS concern for basic stretch leggings, but Adidas lacks transparency on water-repellent coating treatments.

Risky category by default

adidas Women's All Me 7/8 Leggings

Adidas

Women's All Me 7/8 Leggings

nylon/spandex blend (no known water-repellent coating treatment disclosed)

D
D · Elevated

Lower-concern buy; standard athletic leggings with no disclosed water/stain treatments.

Risky category by default

Women's adidas All Me Rib 7/8 Leggings

Adidas

Women's adidas All Me Rib 7/8 Leggings

Nylon/polyester blend with ribbed construction

D
D · Elevated

Lower concern; basic stretch leggings with no functional coating that would require PFAS.

Risky category by default

adidas Women's Workout Essentials Knit 4-Inch Leggings

Adidas

Women's Workout Essentials Knit 4-Inch Leggings

polyester knit blend (nylon/spandex)

D
D · Elevated

Lower PFAS concern for standard knit leggings; no special finish suggests no intentional PFAS treatment.

Risky category by default

adidas Women's Optime Power 7/8 Leggings

Adidas

Women's Optime Power 7/8 Leggings

Nylon/polyester blend with elastane

D
D · Elevated

Lower concern, standard athletic legging with no obvious PFAS triggers, but Adidas makes no public PFAS commitment.

Risky category by default

Womens adidas Originals X Liberty London Leggings

Adidas

Womens adidas Originals X Liberty London Leggings

Polyester blend (likely polyester/cotton or polyester/nylon base)

D
D · Elevated

Lower concern; standard athletic leggings without known PFAS-risk treatments.

Risky category by default

Athleta Women's Salutation Stash High Rise Leggings

Athleta

Women's Salutation Stash High Rise Leggings

Nylon/spandex blend (primary); no disclosed water-repellent treatment

D
D · Elevated

Lower concern unless water-repellent coating was applied; no public PFAS disclosure from Athleta.

Risky category by default

Athleta Women's Salutation Stash High Rise Capri

Athleta

Women's Salutation Stash High Rise Capri

nylon/spandex blend, no water-resistant coating noted

D
D · Elevated

Lower concern, basic athletic capri with no known water-resistant or stain-treatment finishes typical of PFAS use.

Risky category by default

Athleta Girl High Rise Chit Chat Leggings

Athleta

Girl High Rise Chit Chat Leggings

Nylon blend (likely nylon 6 or 6.6); no water-repellent coating or water-resistant treatment disclosed

D
D · Elevated

Lower PFAS concern; standard athletic leggings without marketed water-resistance or stain treatments.

Risky category by default

Athleta Women's Elation Ultra High Rise 7/8 Leggings

Athleta

Women's Elation Ultra High Rise 7/8 Leggings

Nylon/spandex blend, no stated water-repellent finish

D
D · Elevated

Lower PFAS concern; standard stretch leggings with no performance coatings flagged.

Risky category by default

Athleta Women's Transcend High Rise 7/8 Leggings

Athleta

Women's Transcend High Rise 7/8 Leggings

Nylon/spandex blend (primary); no disclosed water-resistant treatment

D
D · Elevated

Lower-concern basic athletic legging; no PFAS-relevant finish disclosed, but no verification either.

Risky category by default

Womens Gymshark Training Leggings 2.0

Gymshark

Womens Gymshark Training Leggings 2.0

Nylon/polyester blend, no confirmed PFAS-applied treatment

D
D · Elevated

Lower PFAS concern for basic training leggings; no water-repellency claims suggest no intentional water-repellent coating.

Risky category by default

Womens Gymshark Everyday Seamless Leggings

Gymshark

Womens Gymshark Everyday Seamless Leggings

nylon/polyamide blend, likely uncoated

D
D · Elevated

Lower concern; basic athletic leggings with no known PFAS-prone features, but Gymshark has not disclosed fabric sourcing or finishes.

Risky category by default

Gymshark Women's Lift Seamless Leggings

Gymshark

Women's Lift Seamless Leggings

Nylon/polyamide blend (seamless knit)

D
D · Elevated

Lower concern, standard synthetic athletic wear with no known PFAS triggers, but Gymshark provides no transparency.

Risky category by default

Gymshark Pants & Jumpsuits Gymshark Power Original Leggings Moss Olive Print

Gymshark

Pants & Jumpsuits Gymshark Power Original Leggings Moss Olive Print

Nylon/polyester blend with stretch; no documented water-repellent or stain-resistant finish

D
D · Elevated

Lower concern; standard athletic leggings with no water-repellent coating treatment or disclosed Teflon-family coating coatings.

Risky category by default

Gymshark Women's Flex V4 Leggings

Gymshark

Women's Flex V4 Leggings

Nylon/polyester blend with likely standard dyes and finishes

D
D · Elevated

Lower concern; standard athletic leggings with no water-repellent coating finish that would require PFAS.

Risky category by default

Gymshark Women's Vital Soft Leggings

Gymshark

Women's Vital Soft Leggings

Nylon/polyester blend (standard athletic knit)

D
D · Elevated

Lower concern, standard athletic leggings with no known PFAS triggers, but Gymshark offers no transparency.

Risky category by default

Womens Gymshark Flex High Waisted Leggings

Gymshark

Womens Gymshark Flex High Waisted Leggings

Nylon/polyester blend (stretch athletic fabric)

D
D · Elevated

Lower concern, basic stretch leggings without water-resistant finish, but Gymshark provides no PFAS transparency.

Risky category by default

Gymshark Womens Lift Seamless Stretch-Woven Leggings

Gymshark

Womens Lift Seamless Stretch-Woven Leggings

Nylon/polyester stretch-woven blend

D
D · Elevated

Lower PFAS concern for a basic stretch-woven legging, but no public disclosure from Gymshark on water-repellent coating treatments.

Risky category by default

Alo Yoga Pants & Jumpsuits Alo Yoga Airbrush High Waist Heart Throb Legging

Alo Yoga

Pants & Jumpsuits Alo Yoga Airbrush High Waist Heart Throb Legging

nylon/spandex blend athletic knit

D
D · Elevated

Lower PFAS concern; standard athletic fabric with no evidence of water-repellent coating or stain treatment.

Risky category by default

Alo Yoga Alo Alosoft High-Waist 7/8 Highlight Legging

Alo Yoga

Alo Alosoft High-Waist 7/8 Highlight Legging

Nylon/Spandex blend (Alosoft proprietary knit)

D
D · Elevated

Lower concern, synthetic athletic legging with no PFAS disclosure, but no water-repellent coating flagged.

Risky category by default

Alo Yoga Women's Airlift High-Waist Suit Up Legging

Alo Yoga

Women's Airlift High-Waist Suit Up Legging

nylon/spandex blend (no water-repellent or stain-resistant treatment claimed)

D
D · Elevated

Lower concern, standard stretch fabric with no water-repellent coating or stain coating, but brand discloses nothing about PFAS practices.

Risky category by default

Alo Yoga Pants & Jumpsuits Alo Airlift High Waist 7/8 Line Up Legging

Alo Yoga

Pants & Jumpsuits Alo Airlift High Waist 7/8 Line Up Legging

Nylon blend (primary); no water-repellent coating or stain-resist coating disclosed

D
D · Elevated

Lower concern; standard stretch legging with no disclosed finishing treatments that typically harbor PFAS.

Risky category by default

Alo Yoga Alosoft High-Waist Heart Throb Legging

Alo Yoga

Alosoft High-Waist Heart Throb Legging

Nylon blend (Alosoft fabric)

D
D · Elevated

Lower PFAS concern; standard athletic legging with no disclosed water or stain treatment.

Risky category by default

Alo Yoga High Waist Airbrush Leggings Women's

Alo Yoga

High Waist Airbrush Leggings Women's

Nylon blend (primary fabric); no water-repellent coating treatment disclosed

D
D · Elevated

Lower concern: standard nylon leggings with no disclosed water-resistant coating.

Risky category by default

Alo High Waist Lounge Leggings Women's

Alo Yoga

Alo High Waist Lounge Leggings Women's

Nylon/spandex blend (stretch fabric)

D
D · Elevated

Lower PFAS concern; standard athletic leggings with no known water-repellent coating or stain treatment.

Risky category by default

Alo Yoga 7/8 High Waisted Airlift Legging

Alo Yoga

7/8 High Waisted Airlift Legging

Nylon/polyester blend stretch fabric

D
D · Elevated

Lower PFAS concern; standard stretch legging with no known water-repellent coating treatment.

Risky category by default

Outdoor Voices Pants & Jumpsuits Outdoor Voices Lavender Leggings

Outdoor Voices

Pants & Jumpsuits Outdoor Voices Lavender Leggings

Nylon/spandex blend leggings

D
D · Elevated

Lower PFAS concern for base leggings, but Outdoor Voices has not disclosed water-repellent coating/finish treatments.

Risky category by default

OUTDOOR VOICES CLOUDKNIT LEGGING - Black S:- S, Black - Online Only

Outdoor Voices

CLOUDKNIT LEGGING - Black S:- S, Black - Online Only

Nylon blend (CloudKnit™ proprietary synthetic)

D
D · Elevated

Lower-concern option, but no PFAS transparency from brand.

Risky category by default

Outdoor Voices Women's Driftwood Heather Compression Leggings

Outdoor Voices

Women's Driftwood Heather Compression Leggings

Nylon/spandex blend compression fabric

D
D · Elevated

Lower concern compression leggings; no water-repellent treatment typical for this garment category.

Risky category by default

OUTDOOR VOICES CLOUDKNIT LEGGING - Green XL:- XL, Green - Online Only

Outdoor Voices

CLOUDKNIT LEGGING - Green XL:- XL, Green - Online Only

Nylon blend (CloudKnit fabric)

D
D · Elevated

Lower PFAS concern for a basic nylon athletic legging, but no transparency from brand.

Risky category by default

Outdoor Voices Womens Pants & Jumpsuits Outdoor Voices Techsweat Core 7/8 Leggings

Outdoor Voices

Womens Pants & Jumpsuits Outdoor Voices Techsweat Core 7/8 Leggings

Nylon blend (Techsweat fabric)

D
D · Elevated

Lower PFAS concern for base fabric, but no brand transparency on finishes or treatments.

Risky category by default

OUTDOOR VOICES CLOUDKNIT LEGGING - PINK XS:- XS, PINK - Online Only

Outdoor Voices

CLOUDKNIT LEGGING - PINK XS:- XS, PINK - Online Only

Nylon/polyester knit (Cloudknit proprietary blend)

D
D · Elevated

Lower PFAS concern for basic knit apparel, but no public transparency from brand.

Risky category by default

Puddle Bubble Wrap High-Rise Fit Leggings

Outdoor Voices

Puddle Bubble Wrap High-Rise Fit Leggings

Nylon/polyester blend with elastane

D
D · Elevated

Lower concern; standard performance leggings without water-resistant coatings that typically introduce PFAS.

Risky category by default

Outdoor Voices 7/8 Textured Compression Leggings

Outdoor Voices

7/8 Textured Compression Leggings

Nylon/polyester blend with compression weave

D
D · Elevated

Lower concern; plain compression leggings without water-repellent coating or specialty finishes typical of PFAS-treated apparel.

Risky category by default

Girlfriend Collective Compressive High-Rise Leggings

Girlfriend Collective

Compressive High-Rise Leggings

Nylon/polyamide blend (high-rise leggings, compressive fabric)

D
D · Elevated

Lower concern; natural fiber blend with no known water-repellent coating, but brand transparency on PFAS is absent.

Risky category by default

Girlfriend Collective Pants & Jumpsuits Compressive Pocket Legging Girlfriend Collective

Girlfriend Collective

Pants & Jumpsuits Compressive Pocket Legging Girlfriend Collective

Nylon/spandex blend compressive knit

D
D · Elevated

Lower PFAS concern for this style, standard athletic knit without stated water repellency, but brand transparency is minimal.

Risky category by default

Girlfriend Collective Pants & Jumpsuits Girlfriend Collective Float Ultralight Legging

Girlfriend Collective

Pants & Jumpsuits Girlfriend Collective Float Ultralight Legging

Nylon/polyamide blend with elastane

D
D · Elevated

Lower-concern athletic wear; no PFAS indicators, but brand silent on treatment disclosures.

Risky category by default

Girlfriend Collective Terrace Compressive High-Rise Legging

Girlfriend Collective

Terrace Compressive High-Rise Legging

Nylon/spandex blend (no reported water-repellent coating)

D
D · Elevated

Lower PFAS concern for a basic compressive legging with no visible water-repellent finish.

Risky category by default

Girlfriend Collective Women's 7/8 Length High Rise Pocket Leggings

Girlfriend Collective

Women's 7/8 Length High Rise Pocket Leggings

Nylon/spandex blend (stretch fabric, uncoated)

D
D · Elevated

Lower concern, standard stretch leggings with no apparent water/stain treatment.

Risky category by default

Girlfriend Collective - Bluestone FLOAT Ultralight Legging - Black Size Extra Large 28" Inseam, Sustainable Clothing Brand

Girlfriend Collective

Bluestone FLOAT Ultralight Legging - Black Size Extra Large 28" Inseam, Sustainable Clothing Brand

Nylon blend (primary), minimal finish

D
D · Elevated

Lower-concern athletic wear, but brand transparency on treatment chemicals is absent.

Risky category by default

Patagonia Women's Centered Crops

Patagonia

Women's Centered Crops

nylon/spandex blend (no water-repellent coating)

D
D · Elevated

Lower PFAS concern, athletic crop with no water-resistant finish, but brand hasn't disclosed PFAS policy.

Risky category by default

Patagonia Women's Centered Tights

Patagonia

Women's Centered Tights

Nylon/spandex blend (stretch athletic tights)

D
D · Elevated

Lower-concern basics; no waterproof treatment typical of performance tights, but Patagonia silent on PFAS sourcing.

Risky category by default

Sweaty Betty Power Workout Leggings

Sweaty Betty

Power Workout Leggings

nylon/elastane blend (synthetic knit)

D
D · Elevated

Lower PFAS concern likely, but limited public transparency on treatment chemicals.

Risky category by default

Sweaty Betty Women's Pants & Jumpsuits Sweaty Betty Power 7/8 Workout Leggings

Sweaty Betty

Women's Pants & Jumpsuits Sweaty Betty Power 7/8 Workout Leggings

nylon/spandex blend (stretch athletic fabric)

D
D · Elevated

Lower concern for PFAS, but brand offers no transparency on fabric treatments.

Risky category by default

Sweaty Betty Women's Power High Waist 7/8 Workout Leggings

Sweaty Betty

Women's Power High Waist 7/8 Workout Leggings

Nylon/polyester blend with standard elastane

D
D · Elevated

Lower PFAS concern, standard athletic leggings without water-repellent coating claims, but brand offers no transparency.

Risky category by default

Sweaty Betty Ultimate Studio Yoga Leggings

Sweaty Betty

Ultimate Studio Yoga Leggings

Nylon blend with spandex (presumed standard water-repellent coating finish)

D
D · Elevated

Lower concern for base fabric, but water-repellent coating composition unclear, contact brand for specifics.

Risky category by default

Beyond Yoga Women's Pants & Jumpsuits Beyond Yoga Spacedye Caught In The Midi High Waisted Leggings

Beyond Yoga

Women's Pants & Jumpsuits Beyond Yoga Spacedye Caught In The Midi High Waisted Leggings

Nylon/spandex blend with spacedye treatment

D
D · Elevated

Lower concern, standard athletic leggings with no known water-repellent coating or stain-resistant treatment, but brand makes no PFAS disclosures.

Risky category by default

Beyond Yoga Women's Space Dye High Waist Practice Leggings

Beyond Yoga

Women's Space Dye High Waist Practice Leggings

Nylon/polyester blend with space-dye cotton content

D
D · Elevated

Lower PFAS concern for basic stretch leggings; no special finishes typical of this category.

Risky category by default

Beyond Yoga Women's Spacedye Laid Back Wide Leg Pant

Beyond Yoga

Women's Spacedye Laid Back Wide Leg Pant

Nylon/polyester spacedye blend (no Teflon-family coating or water-resistant coating noted)

D
D · Elevated

Lower concern, basic performance fabric with no PFAS-associated treatments claimed.

Risky category by default

Beyond Yoga Women's Pants & Jumpsuits Beyond Yoga Softmark High Waisted Midi Leggings

Beyond Yoga

Women's Pants & Jumpsuits Beyond Yoga Softmark High Waisted Midi Leggings

Nylon/spandex blend (synthetic stretch fiber)

D
D · Elevated

Lower PFAS concern for basic stretch leggings, no water/stain treatments expected, but synthetic blends carry inherent uncertainty.

Risky category by default

Beyond Yoga Women's Spacedye High Waisted Practice Pant

Beyond Yoga

Women's Spacedye High Waisted Practice Pant

Nylon/spandex blend (spacedye fabric)

D
D · Elevated

Lower PFAS concern for untreated stretch pant; verify care label for any finish claims.

Risky category by default

Beyond Yoga Women's Spacedye Out Of Pocket High Waisted Capri Legging

Beyond Yoga

Women's Spacedye Out Of Pocket High Waisted Capri Legging

Polyester/nylon blend (spacedye yarn)

D
D · Elevated

Lower PFAS concern; standard athletic wear with no waterproofing triggers, but no brand transparency on chemical treatments.

Risky category by default

Beyond Yoga Women's Impulse Ribbed High Waisted Midi Legging

Beyond Yoga

Women's Impulse Ribbed High Waisted Midi Legging

Nylon/spandex blend ribbed fabric

D
D · Elevated

Lower concern; untreated athletic knit unlikely to contain PFAS, but no brand transparency.

Risky category by default

Beyond Yoga Women's Spacedye Out of Pocket High-Waisted Midi Leggings Blue S

Beyond Yoga

Women's Spacedye Out of Pocket High-Waisted Midi Leggings Blue S

Polyester/nylon blend (spacedye knit)

D
D · Elevated

Lower concern, standard athletic leggings with no known PFAS triggers, but no brand transparency.

Risky category by default

allbirds Women's Natural Flow Legging

Allbirds

Women's Natural Flow Legging

Polyester blend (likely recycled polyester/nylon) with elastane

D
D · Elevated

Lower PFAS concern for a basic stretch legging; no water treatment disclosed.

Risky category by default

Allbirds Women's Natural Leggings

Allbirds

Women's Natural Leggings

organic cotton, natural rubber waistband

D
D · Elevated

Lower concern, plain organic cotton leggings with no waterproofing or coatings requiring water-repellent coating treatment.

GOTS (Global Organic Textile Standard)

Risky category by default

Athletic Leggings By Allbirds In Blue, Size: M

Allbirds

Athletic Leggings By Allbirds In Blue, Size: M

Recycled polyester blend (primary), likely nylon or spandex blend

D
D · Elevated

Lower concern; standard athletic fabric with no known PFAS treatment, but Allbirds offers no explicit PFAS disclosure.

Risky category by default

Allbirds Women's Natural Leggings Capri

Allbirds

Women's Natural Leggings Capri

Merino wool blend, nylon elastane

D
D · Elevated

Lower concern for PFAS, natural fiber core with no obvious water-repellent coating, but brand offers no transparency.

Risky category by default

Allbirds Women's Natural Legging Aubergine

Allbirds

Women's Natural Legging Aubergine

Nylon blend (synthetic fiber)

D
D · Elevated

Lower concern; basic synthetic legging with no known PFAS-prone features, but no transparency from brand.

Risky category by default

Women’s Allbirds Natural Flow Leggings Purple Hush Medium Weight Sz M

Allbirds

Women’s Allbirds Natural Flow Leggings Purple Hush Medium Weight Sz M

Nylon/polyester blend with natural rubber

D
D · Elevated

Lower concern, untreated synthetic blend with no waterproofing claims, but Allbirds makes no PFAS disclosure.

Risky category by default

Allbirds Women's Merino Blend Sweatpants

Allbirds

Women's Merino Blend Sweatpants

merino wool blend (natural fiber, no water-repellent coating treatment stated)

D
D · Elevated

Lower concern, untreated merino blend has minimal PFAS risk, but verify no hidden water-resistant finish.

Risky category by default

All Birds Natural Leggins Xl Black

Allbirds

All Birds Natural Leggins Xl Black

Natural fibers (likely organic cotton/wool blend); no chemical water-resistant or stain treatment applied

D
D · Elevated

Lower PFAS concern, natural materials without performance coatings, but brand transparency on PFAS is absent.

Risky category by default

Athletic Works Women's Dri More Core Mid Rise Leggings

Athleticism

Athletic Works Women's Dri More Core Mid Rise Leggings

Polyester/nylon blend (standard athletic knit)

D
D · Elevated

Lower concern; no water-repellent coating treatment typical for basic moisture-wicking leggings, but brand offers no transparency.

Risky category by default

32 Degrees Women's Pants & Jumpsuits 32 Degrees Leggings

Athleticism

32 Degrees Women's Pants & Jumpsuits 32 Degrees Leggings

Nylon or polyester blend (typical for leggings)

D
D · Elevated

Lower PFAS concern; basic athletic leggings without stated water/stain treatment.

Risky category by default

Old Navy Women's Extra-High Waisted Powersoft 7/8 Pocket Leggings

Athleticism

Old Navy Women's Extra-High Waisted Powersoft 7/8 Pocket Leggings

Nylon/spandex blend (Powersoft); no special coatings disclosed

D
D · Elevated

Lower-concern choice; basic stretch leggings with no water-resistance or stain treatment that typically triggers PFAS use.

Risky category by default

Under Armour Women's HeatGear Ankle Leggings

Athleticism

Under Armour Women's HeatGear Ankle Leggings

polyester/nylon blend (HeatGear synthetic fabric)

D
D · Elevated

Lower concern; synthetic athletic wear typically avoids water-repellent coating treatments, but no public transparency from brand.

Risky category by default

lululemon Women's Align High-Rise Pant 28

Athleticism

lululemon Women's Align High-Rise Pant 28

Nylon/polyamide blend (Align Pant primary fabric)

D
D · Elevated

Lower PFAS concern, no water-repellent coating standard for this style, but Lululemon's broader treatment practices remain undisclosed.

Risky category by default

Women's adidas All Me Flare Leggings

Athleticism

Women's adidas All Me Flare Leggings

Polyester blend (likely nylon/spandex)

D
D · Elevated

Lower PFAS concern for basic stretch leggings, but brand offers no transparency.

Risky category by default

FLX Women's High-Rise Affirmation 7/8 Pocket Leggings

Athleticism

FLX Women's High-Rise Affirmation 7/8 Pocket Leggings

Nylon/spandex blend (primary fibers)

D
D · Elevated

Lower-concern baseline leggings; no known water-repellent coating treatment, but brand discloses nothing about PFAS.

Risky category by default

Carbon38 Women's Contrast Waistband Leggings

Carbon38

Women's Contrast Waistband Leggings

Nylon/polyester blend leggings, unspecified finishes

D
D · Elevated

Lower concern, basic athletic wear with no known PFAS use, but brand discloses nothing.

Risky category by default

Carbon38 Women's High Rise Ribbed Melt Leggings

Carbon38

Women's High Rise Ribbed Melt Leggings

nylon/polyester blend ribbed knit fabric

D
D · Elevated

Lower concern due to basic knit construction, but no PFAS transparency from brand.

Risky category by default

Carbon38 Pants & Jumpsuits Carbon38 High Rise 7/8 Legging In Takara Shine

Carbon38

Pants & Jumpsuits Carbon38 High Rise 7/8 Legging In Takara Shine

Nylon/polyester blend with shine finish (Takara Shine)

D
D · Elevated

Lower PFAS concern for core fabric, but shine finish warrant caution without disclosure.

Risky category by default

Women's Carbon38 High Rise Full-Length Legging In Diamond Compression

Carbon38

Women's Carbon38 High Rise Full-Length Legging In Diamond Compression

nylon and elastane blend (synthetic textiles)

D
D · Elevated

Lower PFAS concern, but brand transparency on treatments is absent, request material cert if concerned.

Risky category by default

Carbon38 Women's High Rise Pocket Diamond Compression Leggings

Carbon38

Women's High Rise Pocket Diamond Compression Leggings

Nylon/spandex blend compression fabric

D
D · Elevated

Lower-concern basics, no known PFAS triggers, but brand is silent on finish treatments.

Risky category by default

Carbon38 Pants & Jumpsuits Carbon38 High Rise Leggings In Takara Shine

Carbon38

Pants & Jumpsuits Carbon38 High Rise Leggings In Takara Shine

nylon/spandex blend with shine finish

D
D · Elevated

Lower concern, stretchy athletic wear without known PFAS treatments, but brand offers no transparency.

Risky category by default

Carbon38 Women's Split Front Leggings

Carbon38

Women's Split Front Leggings

nylon/spandex blend (stretch leggings)

D
D · Elevated

Lower concern; standard stretch athletic wear with no known PFAS triggers, but brand makes no public PFAS commitment.

Risky category by default

Carbon38 Women's High Rise Full-Length Takara Shine Leggings

Carbon38

Women's High Rise Full-Length Takara Shine Leggings

Nylon/polyamide blend with 'Takara Shine' finish

D
D · Elevated

Lower PFAS risk, but lack of disclosure on the 'Shine' finish warrants caution.

Risky category by default

Chrome Hearts Women's Logo Leggings

Chromat

Chrome Hearts Women's Logo Leggings

nylon/spandex blend knit fabric

D
D · Elevated

Lower PFAS concern for basic knit leggings; no water-repellent coating treatment evident.

Risky category by default

Chrome Hearts Horseshoe Logo-Print Leggings

Chromat

Chrome Hearts Horseshoe Logo-Print Leggings

polyester/nylon blend (logo print apparel)

D
D · Elevated

Lower PFAS concern for uncoated athletic leggings, but brand provides no transparency.

Risky category by default

Chrome Hearts Horseshoe Logo Monogram Leggings Black

Chromat

Chrome Hearts Horseshoe Logo Monogram Leggings Black

Nylon/spandex blend leggings

D
D · Elevated

Lower PFAS concern for basic stretch leggings, but no water-repellent coating/stain-resistance claims documented.

Risky category by default

Chrome Hearts Leggings Black

Chromat

Chrome Hearts Leggings Black

Nylon/spandex blend (typical stretch leggings)

D
D · Elevated

Lower PFAS concern for basic stretch leggings; no water-repellent coating treatment typical in this category.

Risky category by default

Chrome Hearts Plus Cross Leggings

Chromat

Chrome Hearts Plus Cross Leggings

Nylon/spandex blend (stretch athletic leggings)

D
D · Elevated

Lower concern, standard stretch leggings without obvious PFAS triggers, but brand offers no transparency.

Risky category by default

Chrome Hearts Logo-Detail Leggings

Chromat

Chrome Hearts Logo-Detail Leggings

nylon/spandex blend leggings

D
D · Elevated

Lower-concern basics; no PFAS triggers identified, but brand discloses nothing.

Risky category by default

Supplex High Waist Leggings with Wet Accent

Chromat

Supplex High Waist Leggings with Wet Accent

Supplex nylon blend

D
D · Elevated

Lower concern, standard nylon apparel without noted water/stain treatments, but no brand transparency on PFAS.

Risky category by default

Chrome Hearts Women's Elasticated-Waistband Leggings

Chromat

Chrome Hearts Women's Elasticated-Waistband Leggings

elasticated nylon/spandex blend leggings

D
D · Elevated

Lower concern; basic stretch leggings with no reported PFAS use, but brand makes no public statement.

Risky category by default

Dharma Bums 7/8 Ankle Length Yoga Pants Tights

Dharma Bums

7/8 Ankle Length Yoga Pants Tights

Nylon/spandex blend (standard athletic tights)

D
D · Elevated

Lower PFAS concern for untreated yoga pants; no water-repellent coating or specialty finishes typical.

Risky category by default

Dharma Bums Leggings

Dharma Bums

Leggings

Nylon/polyester blend with no stated chemical treatments

D
D · Elevated

Lower concern, standard athletic leggings with no disclosed water/stain treatments, but brand provides no PFAS transparency.

Risky category by default

Dharma Bums Floral Leggings

Dharma Bums

Floral Leggings

Polyester/spandex blend (standard athletic knit)

D
D · Elevated

Lower concern for standard athletic leggings without water-resistant coatings.

Risky category by default

Dharma Bums Women's Grey Tights Asian Garden Yoga Leggings

Dharma Bums

Women's Grey Tights Asian Garden Yoga Leggings

Nylon/polyester blend (likely primary fiber)

D
D · Elevated

Lower PFAS concern for basic yoga leggings, but no public testing or brand transparency.

Risky category by default

Dharma Bum 7/8 Legging Nala

Dharma Bums

Dharma Bum 7/8 Legging Nala

Nylon/polyamide blend (likely core fabric)

D
D · Elevated

Lower-concern base material, but no transparency on finishes, ask the brand directly.

Risky category by default

Dharma Bums Pants & Jumpsuits | Dharma Bums Leggings Worn Once Size S | Color: Black | Size: S | Nwyckoff1's Closet

Dharma Bums

Pants & Jumpsuits | Dharma Bums Leggings Worn Once Size S | Color: Black | Size: S | Nwyckoff1's Closet

Nylon/spandex blend (stretch activewear)

D
D · Elevated

Lower PFAS concern; typical activewear leggings with no known water-repellent coating or stain-resist treatment applied.

Risky category by default

Dharma Bums Medium Splatter Leggings

Dharma Bums

Medium Splatter Leggings

nylon/spandex blend athletic leggings

D
D · Elevated

Lower-concern basic athletic wear; no PFAS triggers identified, but brand offers no transparency.

Risky category by default

Plus Size Women's Cotton Spandex Elastic Waist Full Length Leggings by Ellos Studio

Ellos

Plus Size Women's Cotton Spandex Elastic Waist Full Length Leggings by Ellos Studio

Cotton/spandex blend, elastic waistband

D
D · Elevated

Lower concern, basic cotton-spandex leggings with no known PFAS triggers, but Ellos makes no transparency commitments.

Risky category by default

Plus Size Women's Knit Bootcut Leggings by Ellos

Ellos

Plus Size Women's Knit Bootcut Leggings by Ellos

polyester/nylon knit blend

D
D · Elevated

Lower-concern basic knit apparel; no PFAS-prone features, but no public transparency from brand.

Risky category by default

Ellos Cotton Spandex Capri Length Leggings - 18/20, Navy

Ellos

Cotton Spandex Capri Length Leggings - 18/20, Navy

Cotton/spandex blend, untreated

D
D · Elevated

Lower concern, basic cotton-spandex blend with no apparent water/stain treatments or coatings.

Risky category by default

Ellos Women's Leggings Leggings, Size: 6X, Black

Ellos

Women's Leggings Leggings, Size: 6X, Black

Polyester blend (unspecified ratio), likely no water-repellent coating finish

D
D · Elevated

Lower-concern basic leggings; no known PFAS triggers, but brand is silent on treatment details.

Risky category by default

Ellos Studio Plus Size Cotton Spandex Elastic Waist Full Length Leggings

Ellos

Studio Plus Size Cotton Spandex Elastic Waist Full Length Leggings

cotton and spandex blend, elastic waistband

D
D · Elevated

Lower concern, basic cotton-spandex leggings with no known PFAS-typical treatments.

Risky category by default

Ellos Women's Leggings Leggings, Size: 6X, Blue

Ellos

Women's Leggings Leggings, Size: 6X, Blue

polyester/nylon blend leggings

D
D · Elevated

Lower-concern basic apparel; no known PFAS risk, but brand discloses nothing.

Risky category by default

Ellos Cotton Spandex Capri Length Leggings - 18/20, Heather Grey

Ellos

Cotton Spandex Capri Length Leggings - 18/20, Heather Grey

Cotton/spandex blend, untreated

D
D · Elevated

Lower concern, basic cotton-spandex leggings with no water-repellent coating or stain-resistant finish claimed.

Risky category by default

Ellos Women's Leggings Leggings, Size: Small, Red

Ellos

Women's Leggings Leggings, Size: Small, Red

Polyester/nylon blend (typical leggings fiber)

D
D · Elevated

Lower PFAS concern, basic leggings fabric rarely treated, but Ellos offers no transparency.

Risky category by default

Fabletics Women's Define PowerHold High-Waisted 7/8 Leggings

Fabletics

Women's Define PowerHold High-Waisted 7/8 Leggings

nylon/spandex blend (typical athletic legging composition)

D
D · Elevated

Lower PFAS concern, standard athletic fabric without water-repellent treatment, but no brand transparency.

Risky category by default

Fabletics Women's Define PowerHold Mid-Rise Leggings

Fabletics

Women's Define PowerHold Mid-Rise Leggings

Nylon/polyester blend with elastane (spandex)

D
D · Elevated

Lower PFAS concern for plain leggings; no water-repellent coating finish typical of this category, though verify product care tag.

Risky category by default

Fabletics Women's Trinity Motion365 Mid-Rise 7/8 Leggings

Fabletics

Women's Trinity Motion365 Mid-Rise 7/8 Leggings

Polyester/nylon blend with elastane (spandex)

D
D · Elevated

Lower concern, synthetic athletic leggings without disclosed water/stain treatments, but no public lab data or brand PFAS transparency.

Risky category by default

Fabletics Women's PureLuxe Ultra High-Waisted 7/8 Leggings

Fabletics

Women's PureLuxe Ultra High-Waisted 7/8 Leggings

nylon/spandex blend, no disclosed water-resistant treatment

D
D · Elevated

Lower PFAS concern for basic stretch leggings, but brand silence on water-repellent coating chemicals leaves modest uncertainty.

Risky category by default

Fabletics Women's HeatherFlex High-Waisted TLC Leggings

Fabletics

Women's HeatherFlex High-Waisted TLC Leggings

Nylon/polyester blend (HeatherFlex)

D
D · Elevated

Lower-concern basic leggings; no PFAS triggers identified, but brand discloses nothing.

Risky category by default

Fabletics Women's High-Waisted Heatherknit 7/8

Fabletics

Women's High-Waisted Heatherknit 7/8

Nylon/polyester blend knit, untreated

D
D · Elevated

Lower PFAS concern for untreated performance knit; no water-repellent coating claim raises risk profile slightly.

Risky category by default

Fabletics Women's On-The-Go PowerHold High-Waisted Leggings

Fabletics

Women's On-The-Go PowerHold High-Waisted Leggings

Nylon/spandex blend, likely polyester base

D
D · Elevated

Lower PFAS concern; standard athletic leggings without water-resistant finish.

Risky category by default

Free People Fp Movement Women's Never Better Leggings

Free People Movement

Free People Fp Movement Women's Never Better Leggings

nylon/polyamide blend, likely uncoated

D
D · Elevated

Lower PFAS concern; typical activewear without water/stain treatment claims.

Risky category by default

Fp Movement Women's By Free People Pants & Jumpsuits Free People Good Karma Leggings

Free People Movement

Fp Movement Women's By Free People Pants & Jumpsuits Free People Good Karma Leggings

nylon/spandex blend leggings

D
D · Elevated

Lower concern for typical wear; standard activewear without water/stain treatments carries minimal PFAS risk.

Risky category by default

FP Movement Never Better Full Length Leggings

Free People Movement

FP Movement Never Better Full Length Leggings

Nylon/spandex blend (standard stretch athletic fabric)

D
D · Elevated

Lower PFAS concern for standard stretch leggings; no evidence of water-repellent coating or special coatings, but brand silence on supply-chain practices limits certainty.

Risky category by default

Free People FP Movement Never Better Crop Leggings

Free People Movement

Free People FP Movement Never Better Crop Leggings

nylon spandex blend (standard athletic knit)

D
D · Elevated

Lower PFAS concern; standard activewear without known water-repellent coating or waterproof treatment.

Risky category by default

Women's Free People FP Movement Never Better Mini Flare Leggings

Free People Movement

Women's Free People FP Movement Never Better Mini Flare Leggings

nylon/spandex blend

D
D · Elevated

Lower-concern apparel; no PFAS signals but brand transparency is absent.

Risky category by default

Free People FP Movement Trail Leggings

Free People Movement

Free People FP Movement Trail Leggings

Nylon/polyester blend (athletic leggings, no water-resistant coating disclosed)

D
D · Elevated

Lower concern for standard trail leggings; no water-repellent coating finish disclosed, but verify product specs for any hidden water-repellent treatment.

Risky category by default

FP Movement Good Karma High-Rise 7/8 Length Leggings

Free People Movement

FP Movement Good Karma High-Rise 7/8 Length Leggings

Nylon/spandex blend (typical activewear)

D
D · Elevated

Lower concern for typical leggings; no known PFAS triggers, but no brand transparency on treatment chemicals.

Risky category by default

FP Movement Level Up Leggings

Free People Movement

FP Movement Level Up Leggings

nylon/spandex blend (stretch athletic fabric)

D
D · Elevated

Lower concern for PFAS; standard activewear fabric with no known water/stain treatment triggers.

Risky category by default

Koral Women's Lustrous High Rise Stretch Leggings

Koral

Women's Lustrous High Rise Stretch Leggings

Nylon/polyamide blend stretch fabric

D
D · Elevated

Lower-concern baseline apparel; no PFAS red flags known, but brand offers no transparency.

Risky category by default

KORAL ACTIVEWEAR Women's Ankle Leggings

Koral

ACTIVEWEAR Women's Ankle Leggings

Nylon/polyester blend activewear

D
D · Elevated

Lower concern, basic athletic leggings with no confirmed PFAS treatment, but brand provides no transparency.

Risky category by default

Koral Women's Lustrous Leggings

Koral

Women's Lustrous Leggings

nylon/spandex blend (likely with water-repellent coating)

D
D · Elevated

Moderate concern, standard performance leggings often carry water-repellent coating finishes; no brand transparency on treatment.

Risky category by default

Koral Womens Sugar Plum Drive Energy High-Rise Stretch-jersey Leggings

Koral

Womens Sugar Plum Drive Energy High-Rise Stretch-jersey Leggings

nylon/polyester stretch-jersey blend

D
D · Elevated

Lower PFAS concern for activewear without water-repellent coating treatment, but no transparency from brand.

Risky category by default

Koral Curve Leggings

Koral

Curve Leggings

nylon/spandex blend (likely nylon 6 or nylon 66)

D
D · Elevated

Lower-concern activewear, no known PFAS triggers, but brand silence limits assurance.

Risky category by default

Koral Women's Exceed High-Rise Blackout Leggings

Koral

Women's Exceed High-Rise Blackout Leggings

Nylon blend with blackout lining

D
D · Elevated

Lower PFAS concern for synthetic athletic wear, but no transparency from brand.

Risky category by default

Women's Koral Envy Leggings

Koral

Women's Koral Envy Leggings

nylon/spandex blend (standard performance athletic fabric)

D
D · Elevated

Lower concern for typical uncoated athletic leggings, but no PFAS disclosure from Koral.

Risky category by default

Koral High Rise Lux Leggings

Koral

High Rise Lux Leggings

nylon/spandex blend (likely untreated or water-repellent coating-treated)

D
D · Elevated

Lower concern for base fabric, but water-repellent coating finish (if present) status is opaque, ask Koral directly.

Risky category by default

Women's Manduka Essential Cropped

Manduka

Women's Manduka Essential Cropped

Nylon/polyamide blend, likely uncoated or minimally treated

D
D · Elevated

Lower PFAS concern for basic cropped athletic wear; Manduka's silence on treatment is typical for yoga apparel.

Risky category by default

Manduka Women's CNTR Pant

Manduka

Women's CNTR Pant

Nylon/spandex blend (standard athletic/performance fabric)

D
D · Elevated

Lower PFAS concern for a basic nylon athletic pant; no performance treatments disclosed, but brand transparency is minimal.

Risky category by default

Manduka Women's Flux

Manduka

Women's Flux

nylon spandex blend, no reported water-repellent coating treatment

D
D · Elevated

Lower PFAS concern; no water-repellent claim, but Manduka discloses little on chemical treatments.

Risky category by default

Manduka CNTR Pant

Manduka

CNTR Pant

Cotton/nylon blend (standard athletic pant)

D
D · Elevated

Lower PFAS concern for an untreated cotton-dominant pant; no water-repellent coating finish typical.

Risky category by default

Manduka Women's Essence Yoga Leggings

Manduka

Women's Essence Yoga Leggings

Nylon/polyester blend (no water-repellent coating or special coating disclosed)

D
D · Elevated

Lower concern, basic activewear with no waterproof finish or disclosed treatments.

Risky category by default

Manduka Presence Leggings

Manduka

Presence Leggings

nylon/spandex blend (synthetic fiber)

D
D · Elevated

Lower PFAS concern for a performance legging, but no brand transparency on treatments.

Risky category by default

Onzie Leopard Leggings

Onzie

Leopard Leggings

Nylon/spandex blend (no treatment disclosed)

D
D · Elevated

Lower concern, basic stretch fabric with no known PFAS triggers, but Onzie hasn't publicly disclosed manufacturing details.

Risky category by default

Onzie Women's Sweetheart Midi Leggings

Onzie

Women's Sweetheart Midi Leggings

nylon/spandex blend

D
D · Elevated

Lower-concern basics; untreated stretch fabric, but no public PFAS commitment from brand.

Risky category by default

Onzie Flow Pocket Leggings

Onzie

Flow Pocket Leggings

Nylon/polyester blend with pocket lining

D
D · Elevated

Lower concern for PFAS; standard athletic legging without water-resistant finish.

Risky category by default

Onzie Women's High-Rise Leggings

Onzie

Women's High-Rise Leggings

nylon/polyamide blend

D
D · Elevated

Lower concern; untreated knit fabric with no known PFAS triggers, but brand transparency is minimal.

Risky category by default

Onzie Long Legging Womens

Onzie

Long Legging Womens

Nylon blend (likely nylon/spandex stretch fabric)

D
D · Elevated

Lower PFAS concern; standard activewear without reported chemical treatment.

Risky category by default

Onzie Women's High Rise Sparrow Athletic Leggings

Onzie

Women's High Rise Sparrow Athletic Leggings

Nylon/spandex blend athletic knit

D
D · Elevated

Lower concern; basic athletic leggings with no known PFAS triggers, but brand discloses nothing about treatments.

Risky category by default

Onzie Flow Half / Half 2.0 Midi Leggings

Onzie

Flow Half / Half 2.0 Midi Leggings

Nylon blend (likely nylon/spandex, no waterproof or stain-resist treatment described)

D
D · Elevated

Lower concern, basic stretch fabric with no water-repellent coating or functional coatings that typically trigger PFAS use.

Risky category by default

Lunar Light Icon 7/8 Leggings

Spiritual Gangster

Lunar Light Icon 7/8 Leggings

Nylon/spandex blend (stretch athletic fabric)

D
D · Elevated

Lower concern, standard athletic leggings with no water-repellent treatment, but brand makes no PFAS disclosure.

Risky category by default

Love 7/8 Leggings

Spiritual Gangster

Love 7/8 Leggings

Nylon blend (primary), likely nylon/spandex or nylon/polyester mix

D
D · Elevated

Lower concern, standard athletic leggings with no known PFAS-prone treatments, but brand offers no transparency.

Risky category by default

Women's Spiritual Gangster Love Seamless 7/8 Leggings

Spiritual Gangster

Women's Spiritual Gangster Love Seamless 7/8 Leggings

nylon/polyester blend (seamless construction)

D
D · Elevated

Lower PFAS concern for basic seamless leggings, but no public transparency from brand.

Risky category by default

Spiritual Gangster Auralight Zen Legging

Spiritual Gangster

Auralight Zen Legging

Polyamide/nylon blend (standard athletic legging)

D
D · Elevated

Lower PFAS concern; standard athletic legging with no obvious high-risk treatments.

Risky category by default

Spiritual Gangster Women's Addison High Waist Velour Leggings

Spiritual Gangster

Women's Addison High Waist Velour Leggings

Velour (polyester blend)

D
D · Elevated

Lower PFAS risk; standard velour apparel unlikely to contain intentional PFAS, but brand provides no disclosure.

Risky category by default

Spiritual Gangster Petal Lotus 7/8 Leggings

Spiritual Gangster

Petal Lotus 7/8 Leggings

Nylon/spandex blend stretch fabric

D
D · Elevated

Lower-concern basics, standard stretch leggings carry minimal PFAS risk, but no brand transparency on fabric treatments.

Risky category by default

Spiritual Gangster Love Sculpt Tie Dye Leggings

Spiritual Gangster

Love Sculpt Tie Dye Leggings

cotton/cotton-blend knit fabric (tie-dye)

D
D · Elevated

Lower concern: basic tie-dye leggings with no water-repellent coating or water-resistant finish documented.

Risky category by default

Spiritual Gangster Auralight Rib Crop Leggings

Spiritual Gangster

Auralight Rib Crop Leggings

Nylon/spandex blend leggings

D
D · Elevated

Lower concern: standard stretch leggings with no known water-repellent coating or stain-resistant treatment triggering PFAS risk.

Risky category by default

Vuori Women's Clean Elevation Legging

Vuori

Women's Clean Elevation Legging

Polyamide/nylon blend (likely 88% nylon, 12% spandex)

D
D · Elevated

Lower concern, untreated nylon base, but no water-repellent coating disclosure clarity weakens confidence.

Risky category by default

Vuori Women's Daily Pocket Leggings

Vuori

Women's Daily Pocket Leggings

Nylon and spandex blend, no reported water-repellent finish

D
D · Elevated

Lower concern, basic stretch leggings with no water-repellent coating, but brand offers no transparency.

Risky category by default

Vuori Women's Daily Track Leggings

Vuori

Women's Daily Track Leggings

Nylon/polyester blend, no reported Teflon-family coating or specialty coating

D
D · Elevated

Lower PFAS concern; basic athletic leggings with no water-repellent coating or coating triggers.

Risky category by default

Vuori Alltheform Legging Women Short

Vuori

Alltheform Legging Women Short

Nylon blend (primary); no water-repellent or stain-resistant treatment disclosed

D
D · Elevated

Lower concern for PFAS unless water-repellent coating finish added; Vuori discloses little about chemistry.

Risky category by default

Gap Women's Stretch Jersey Leggings

Gap

Women's Stretch Jersey Leggings

Cotton-polyester blend jersey knit

D
D · Elevated

Lower concern; basic knit leggings with no obvious PFAS triggers.

Risky category by default

Gap Women's High Rise Full Length Leggings

Gap

Women's High Rise Full Length Leggings

nylon/spandex blend, no disclosed finish

D
D · Elevated

Lower concern; standard leggings lack PFAS-prone finishes.

Risky category by default

Gap Women's High Rise Power 7/8 Leggings

Gap

Women's High Rise Power 7/8 Leggings

nylon/spandex blend, standard athletic stretch

D
D · Elevated

Standard leggings; lower concern without waterproofing or water-repellent coating finish.

Risky category by default

Gap Women's Mid Rise Power Boot Leggings

Gap

Women's Mid Rise Power Boot Leggings

Nylon/spandex blend (synthetic stretch textile)

D
D · Elevated

Lower concern; no known PFAS triggers.

Risky category by default

Old Navy Women's High-Waisted Powerchill 7/8 Cotton Leggings

Old Navy

Women's High-Waisted Powerchill 7/8 Cotton Leggings

Cotton blend (primary), minimal functional coatings disclosed

D
D · Elevated

Lower PFAS concern; basic cotton leggings, no water-resistant finish.

Risky category by default

Old Navy Women's Extra-High Waisted Powersoft 7/8 Pocket Leggings

Old Navy

Women's Extra-High Waisted Powersoft 7/8 Pocket Leggings

polyester blend with elastane

D
D · Elevated

Lower PFAS risk; standard athletic leggings without water-repellent coating.

Risky category by default

Old Navy Women's High-Waisted Studiosmooth Full-Length Leggings

Old Navy

Women's High-Waisted Studiosmooth Full-Length Leggings

Nylon blend (Studiosmooth fabric); no water-repellent or stain-resistant coating disclosed

D
D · Elevated

Lower concern; untreated nylon blend with no known PFAS coating.

Risky category by default

Old Navy Women's High-Waisted Studiosmooth 7/8 Leggings

Old Navy

Women's High-Waisted Studiosmooth 7/8 Leggings

nylon/spandex blend, no reported water-repellent coating

D
D · Elevated

Lower PFAS concern; no water-repellent coating finish reported on this line.

Risky category by default

Champion Women's Everyday Leggings

Champion

Women's Everyday Leggings

polyester/nylon blend, no reported special coating

D
D · Elevated

Lower concern; plain athletic leggings with no water/stain treatment.

Risky category by default

Champion Women's Flare Leggings Soft Touch

Champion

Women's Flare Leggings Soft Touch

polyester/nylon blend, soft-touch finish

D
D · Elevated

Lower PFAS concern; basic athletic wear without water-repellent coating.

Risky category by default

Champion Women's Contour Soft Touch Mesh 7/8 Leggings

Champion

Women's Contour Soft Touch Mesh 7/8 Leggings

polyester mesh, nylon blend

D
D · Elevated

Lower PFAS concern; basic athletic apparel without water treatment.

Risky category by default

Champion Womens Gym Fitness Athletic Leggings

Champion

Womens Gym Fitness Athletic Leggings

Polyester/nylon blend knit fabric

D
D · Elevated

Lower concern; untreated knit fabric unlikely to contain PFAS.

Risky category by default

Zara Polyamide Leggings

Zara

Polyamide Leggings

Polyamide (nylon), no stated water/stain treatment

D
D · Elevated

Lower concern; untreated polyamide rarely requires PFAS.

Risky category by default

Zara Capri Leggings with Side Bands

Zara

Capri Leggings with Side Bands

Polyester/elastane blend, no known water-repellent treatment

D
D · Elevated

Lower concern. Basic textile with no disclosed water treatment.

Risky category by default

Zara - Pukas Surf Ribbed Cycling Leggings - 6 Years (116 Cm) - Brown - Kids

Zara

Pukas Surf Ribbed Cycling Leggings - 6 Years (116 Cm) - Brown - Kids

Ribbed cotton-blend knit fabric

D
D · Elevated

Lower concern; basic cycling leggings, no water treatments typical.

Risky category by default

Zara Basic Women's Activewear Stretch Leggings Fitness Yoga, Black,

Zara

Basic Women's Activewear Stretch Leggings Fitness Yoga, Black,

polyester/elastane blend stretch fabric

D
D · Elevated

Lower concern; untreated stretch fabric unlikely to contain PFAS.

Risky category by default

Zara Women's Seamless Leggings

Zara

Women's Seamless Leggings

Nylon/polyamide blend, seamless knit

D
D · Elevated

Lower concern; common knit fabric with no known PFAS treatment.

Risky category by default

Zara Performance Womens Workout Leggings Size M

Zara

Performance Womens Workout Leggings Size M

polyester/elastane blend, standard weave

D
D · Elevated

Lower concern; untreated workout fabric typical.

Risky category by default

ZARA Black Ankle Leggings Elastic Waist Women's Size L

Zara

Black Ankle Leggings Elastic Waist Women's Size L

Polyester/elastane blend, no special finish disclosed

D
D · Elevated

Lower-concern base materials; no water-repellent coating treatment disclosed.

Risky category by default

Zara Leggings: Black Bottoms - Women's Size XS, ThredUp

Zara

Leggings: Black Bottoms - Women's Size XS, ThredUp

Polyester blend leggings, typical athletic wear

D
D · Elevated

Lower concern. Standard leggings unlikely to contain PFAS.

Risky category by default

Zara Push-Up Leggings

Zara

Push-Up Leggings

polyamide/nylon blend with elastane

D
D · Elevated

Lower PFAS concern; standard stretch leggings without known water-repellent coating finish.

Risky category by default

Zara Women’s Leggings Black Hi-rise Pants Size Xs Stretch Workout

Zara

Women’s Leggings Black Hi-rise Pants Size Xs Stretch Workout

Polyester/elastane blend stretch fabric

D
D · Elevated

Lower concern; standard stretch workout leggings, no water-repellent coating treatment evident.

Risky category by default

lululemon Leggings Women's Wunder Train High-Rise Tight 28

Lululemon

Leggings Women's Wunder Train High-Rise Tight 28

Nylon/polyester blend with water-repellent coating treatment

F
F · High PFAS

High-performance leggings carry PFAS risk via water-repellent coating; Lululemon discloses nothing, skip until transparency improves.

Waterproof or stain-proof treatment

Athleta Women's Headlands Hybrid High Rise Cargo Leggings

Athleta

Women's Headlands Hybrid High Rise Cargo Leggings

Nylon/polyester blend with water-repellent coating finish

F
F · High PFAS

Skip or contact Athleta directly for water-repellent coating chemistry confirmation before buying.

Waterproof or stain-proof treatment

Rain Compressive High-Rise Legging

Girlfriend Collective

Rain Compressive High-Rise Legging

Nylon blend with water-resistant treatment (water-repellent coating unspecified)

F
F · High PFAS

High-rise compression leggings with undisclosed water-resistant finish, typical PFAS risk for water-repellent coating apparel; Girlfriend Collective does not publicly confirm or den

Waterproof or stain-proof treatment

Patagonia Women's Maipo 7/8 Stash Tights

Patagonia

Women's Maipo 7/8 Stash Tights

Nylon blend with water-repellent coating treatment

F
F · High PFAS

Skip until Patagonia discloses water-repellent coating chemistry or switches to PFAS-free treatment.

Waterproof or stain-proof treatment

Patagonia Women's Mas Maipo Tights

Patagonia

Women's Mas Maipo Tights

Nylon blend with water-repellent coating finish (likely Teflon-type coating or PFAS-based)

F
F · High PFAS

Skip or request Patagonia's water-repellent coating treatment details before buying.

Waterproof or stain-proof treatment

Patagonia Women's Pack Out Tights

Patagonia

Women's Pack Out Tights

Nylon blend with water-repellent coating finish

F
F · High PFAS

Patagonia's water-repellent coating treatment likely contains PFAS; brand remains silent on composition, skip unless they disclose or certify.

Waterproof or stain-proof treatment

Patagonia Women's Tropic Comfort Sun Tights

Patagonia

Women's Tropic Comfort Sun Tights

Nylon/spandex blend with water-repellent coating finish

F
F · High PFAS

water-repellent coating-treated sun tights carry moderate PFAS risk; Patagonia's silence on chemistry is concerning despite brand reputation.

Waterproof or stain-proof treatment

Patagonia Women's Maipo 7/8 Tights

Patagonia

Women's Maipo 7/8 Tights

Nylon/spandex blend with water-repellent coating treatment

F
F · High PFAS

Medium risk: performance tights likely use water-repellent coating; Patagonia silent on PFAS and treatment chemistry.

Waterproof or stain-proof treatment

Patagonia Women's Endless Run 7/8 Tights

Patagonia

Women's Endless Run 7/8 Tights

Recycled nylon blend with water-repellent coating finish

F
F · High PFAS

Lower-risk profile, but water-repellent coating treatment unknown, contact Patagonia for ingredient transparency.

Waterproof or stain-proof treatment

Womens Sweaty Betty Power Workout Leggings

Sweaty Betty

Womens Sweaty Betty Power Workout Leggings

nylon/spandex blend with water-repellent coating (water-repellent coating) finish

F
F · High PFAS

Higher concern due to likely water-repellent coating treatment; no PFAS disclosure or third-party verification.

Waterproof or stain-proof treatment

Sweaty Betty Power UltraSculpt High Waist Piping Leggings

Sweaty Betty

Power UltraSculpt High Waist Piping Leggings

Nylon/elastane blend with water-repellent treatment

F
F · High PFAS

Activewear with likely water-repellent coating treatment but no PFAS disclosure; higher risk warrants caution.

Waterproof or stain-proof treatment

Sweaty Betty Power Piping Workout Leggings

Sweaty Betty

Power Piping Workout Leggings

Nylon/polyamide blend with water-repellent coating finish

F
F · High PFAS

Moderate concern: athletic leggings with moisture-wicking coating likely treated with legacy or undisclosed water-repellent coating agent; Sweaty Betty silent on PFAS.

Waterproof or stain-proof treatment

Sweaty Betty Power Colourblock 7/8 Workout Leggings

Sweaty Betty

Power Colourblock 7/8 Workout Leggings

Nylon/polyester blend with water-repellent coating treatment

F
F · High PFAS

Skip unless brand discloses water-repellent coating chemistry, standard moisture-wicking leggings carry inherent PFAS risk from water-repellent finishes.

Waterproof or stain-proof treatment

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