Water-Resistant Swimwear, ranked by PFAS safety

183 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 water-resistant swimwear, and which brands grade best and worst

Read →

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

Athleta Girl Reversible Strappy Bikini Top

Athleta

Girl Reversible Strappy Bikini Top

Nylon/polyester blend with elastane (reversible swim top)

D
D · Elevated

Lower concern, standard swim fabric with no known water-repellent coating treatment, but brand silent on PFAS.

Risky category by default

Athleta Girl High Neck Reversible Bikini Top

Athleta

Girl High Neck Reversible Bikini Top

nylon/polyester swimsuit fabric

D
D · Elevated

Lower PFAS concern for a basic swimwear top; no known treatment triggers, but Athleta offers no transparency.

Risky category by default

J.Crew Women's Gail One-piece

J.Crew

Women's Gail One-piece

Polyamide/nylon blend (swimwear)

D
D · Elevated

Lower PFAS concern for a basic nylon swimsuit, but J.Crew discloses nothing about treatments.

Risky category by default

J.Crew Lana Classic Sculpt One-piece

J.Crew

Lana Classic Sculpt One-piece

Nylon/spandex blend (swimsuit)

D
D · Elevated

Lower concern; standard swimwear material with no known PFAS treatment triggers.

Risky category by default

J.Crew Women's Squareneck One-piece

J.Crew

Women's Squareneck One-piece

Nylon/spandex blend swimwear

D
D · Elevated

Lower concern, untreated swimwear fabric, but J.Crew makes no PFAS commitments.

Risky category by default

J.Crew Women's Long-torso Nia ruched squareneck one-piece in gingham

J.Crew

Women's Long-torso Nia ruched squareneck one-piece in gingham

Cotton-blend gingham weave (likely cotton/polyester blend)

D
D · Elevated

Lower concern for PFAS, basic apparel with no finishes flagged, but J.Crew doesn't disclose finish chemistry.

Risky category by default

J.Crew Women's Sydney Scrunchie One-Piece Swimsuit

J.Crew

Women's Sydney Scrunchie One-Piece Swimsuit

Nylon/polyamide blend swimsuit fabric

D
D · Elevated

Lower concern; standard swimsuit with no known PFAS-risk treatment, but no brand transparency on finishes.

Risky category by default

J.Crew Women's Long-Torso Lana One-Piece

J.Crew

Women's Long-Torso Lana One-Piece

Nylon/spandex blend swimwear

D
D · Elevated

Lower concern for typical swimwear, but J.Crew discloses nothing about PFAS in textiles or finishes.

Risky category by default

J.Crew Women's Long-Torso Gemma One-Piece

J.Crew

Women's Long-Torso Gemma One-Piece

nylon/spandex blend swimwear

D
D · Elevated

Lower concern; typical swimwear with no known PFAS red flags, but J.Crew does not disclose treatment details.

Risky category by default

Nike Women's V-Neck Tankini Top

Nike

Women's V-Neck Tankini Top

Nylon/polyester blend (typical tankini construction)

D
D · Elevated

Lower PFAS concern for basic tankini; no waterproofing or special coatings typical.

Risky category by default

Nike Women's Effortless Essential Square Neck Tankini Top

Nike

Women's Effortless Essential Square Neck Tankini Top

Nylon/polyester blend (tankini textile)

D
D · Elevated

Lower concern; standard athletic swimwear with no known PFAS treatment applied.

Risky category by default

adidas Women's Mexicana Florals Tie-Back Swimsuit

Adidas

Women's Mexicana Florals Tie-Back Swimsuit

Polyester/nylon swimsuit fabric, likely uncoated or standard finish

D
D · Elevated

Lower PFAS concern likely; standard swimwear without waterproofing claims carries reduced risk, though Adidas makes no public PFAS disclosure.

Risky category by default

Iconisea Ribbed Padded Thin Straps Swimsuit

Adidas

Iconisea Ribbed Padded Thin Straps Swimsuit

Nylon/polyester blend with elastane (spandex)

D
D · Elevated

Lower PFAS concern; standard swimsuit materials without known water-repellent finish.

Risky category by default

Women's adidas Iconisea Ribbed Padded Thin Straps Swimsuit

Adidas

Women's adidas Iconisea Ribbed Padded Thin Straps Swimsuit

Nylon/polyester blend swimsuit fabric with standard elastic

D
D · Elevated

Lower concern; standard swimwear without waterproofing or stain treatment, though Adidas has not publicly committed to PFAS-free manufacturing.

Risky category by default

Women's adidas 3-Stripes

Adidas

Women's adidas 3-Stripes

Polyester/nylon woven athletic fabric

D
D · Elevated

Lower concern for standard athletic wear; no water-repellent treatment typical on basic 3-Stripes apparel.

Risky category by default

Tommy Hilfiger Women's Hilfiger Logo Halter One-Piece Swimsuit

Tommy Hilfiger

Women's Hilfiger Logo Halter One-Piece Swimsuit

Nylon blend swimsuit fabric, no documented water-repellent coating specified

D
D · Elevated

Lower PFAS concern; standard nylon swimsuit with no disclosed treatments.

Risky category by default

Tommy Hilfiger Women's Allover Script Halter Swimsuit

Tommy Hilfiger

Women's Allover Script Halter Swimsuit

polyester/nylon blend swimwear, likely no water-repellent treatment

D
D · Elevated

Lower concern; standard swimwear without disclosed water-repellent coating treatment, but no brand transparency on PFAS.

Risky category by default

Tommy Hilfiger Women's O-Ring Scoop Back One-Piece Swimsuit

Tommy Hilfiger

Women's O-Ring Scoop Back One-Piece Swimsuit

Polyester blend swimsuit fabric

D
D · Elevated

Lower concern; standard swimsuit with no known PFAS triggers, but no transparency from brand.

Risky category by default

Tommy Hilfiger Women's Signature Stripe Plunge Halter Swimsuit

Tommy Hilfiger

Women's Signature Stripe Plunge Halter Swimsuit

polyamide/nylon blend (standard swimwear)

D
D · Elevated

Lower PFAS concern; standard swimwear without water-repellent claims.

Risky category by default

Tommy Hilfiger Women's Stripe Bikini Top

Tommy Hilfiger

Women's Stripe Bikini Top

Nylon/polyamide blend (typical for swimwear)

D
D · Elevated

Lower-concern basic bikini top; no PFAS red flags, but brand offers no transparency.

Risky category by default

Tommy Hilfiger Women's Crossed-Back Seersucker Bikini Top

Tommy Hilfiger

Women's Crossed-Back Seersucker Bikini Top

Seersucker cotton blend (typical: 100% cotton or cotton/polyester)

D
D · Elevated

Lower concern, untreated seersucker cotton apparel poses minimal PFAS risk.

Risky category by default

Gap Women's Scoop Neck Swimsuit

Gap

Women's Scoop Neck Swimsuit

Polyamide/nylon (primary); likely elastane/spandex blend for fit

D
D · Elevated

Lower concern, basic swimsuit with no known water-repellent coating treatment, but Gap offers no PFAS transparency.

Risky category by default

Gap Girls Rash Guard Swim Two-Piece

Gap

Girls Rash Guard Swim Two-Piece

polyester/nylon blend with likely standard finishes

D
D · Elevated

Lower-concern baseline swim apparel, but Gap does not disclose PFAS-related practices.

Risky category by default

Gap Women's Cutout Wrap One-Piece Swimsuit

Gap

Women's Cutout Wrap One-Piece Swimsuit

nylon/spandex blend swimsuit fabric

D
D · Elevated

Lower concern for a basic nylon-spandex swimsuit, but Gap makes no PFAS disclosure.

Risky category by default

Gap Women's Bandeau Bikini Top

Gap

Women's Bandeau Bikini Top

Nylon/spandex blend (typical swimwear)

D
D · Elevated

Lower concern, basic swimwear without water-repellent finish, but Gap discloses nothing about PFAS practices.

Risky category by default

Gap Girls Cross-Back One-Piece Swimsuit

Gap

Girls Cross-Back One-Piece Swimsuit

Nylon/polyester blend (typical swimwear)

D
D · Elevated

Lower concern for PFAS, but Gap offers no transparency on swimwear treatments.

Risky category by default

Billabong Sol Groove Retro Surf One

Billabong

Sol Groove Retro Surf One

Polyester swim/surf fabric

D
D · Elevated

Lower PFAS concern for a basic polyester swim shirt, but no brand transparency.

Risky category by default

Quiksilver Men's Everyday Volley 15

Quiksilver

Men's Everyday Volley 15

Polyester mesh and nylon lining

D
D · Elevated

Lower concern, basic swim volley with no known PFAS-prone treatments, but brand offers no transparency.

Risky category by default

Summersalt Surf

Summersalt

Summersalt Surf

Recycled polyester and nylon blend (swim/athletic wear)

D
D · Elevated

Lower concern for typical swim apparel, but no public PFAS transparency from brand.

Risky category by default

Summersalt Women's Swim Summersalt The Sidestroke One-Piece Blue & White Swimsuit

Summersalt

Women's Swim Summersalt The Sidestroke One-Piece Blue & White Swimsuit

Nylon/polyester blend with elastane

D
D · Elevated

Lower concern for PFAS; typical swimwear with no known water-repellent coating treatment disclosed.

Risky category by default

Summersalt DreamDrape Sidestroke

Summersalt

DreamDrape Sidestroke

Cotton/linen blend fabric (standard weave)

D
D · Elevated

Lower PFAS concern for untreated natural-fiber apparel; no water-repellent coating finish mentioned.

Risky category by default

Summersalt Sidestroke

Summersalt

Sidestroke

Swimwear fabric (likely nylon/spandex blend)

D
D · Elevated

Lower-concern choice, standard swimwear fabric unlikely to need PFAS, but brand discloses nothing.

Risky category by default

Summersalt Swim Summersalt The Sidestroke One Piece Swimsuit

Summersalt

Swim Summersalt The Sidestroke One Piece Swimsuit

nylon/polyester blend swimsuit fabric

D
D · Elevated

Lower PFAS concern for base fabric, but brand silence on water-repellent coating treatments leaves some uncertainty.

Risky category by default

Summersalt Women's Sea Breeze Cutout One-Piece Swimsuit

Summersalt

Women's Sea Breeze Cutout One-Piece Swimsuit

Nylon/spandex blend swimsuit fabric

D
D · Elevated

Lower-concern baseline swimwear; no water-resistant coating typically applied, but brand transparency on PFAS absent.

Risky category by default

Mikoh Antibes One Piece

Mikoh

Antibes One Piece

Nylon/polyamide swimwear

D
D · Elevated

Lower-concern material, but brand provides no PFAS transparency, typical for swim brands.

Risky category by default

Alo Yoga Alo Body Wave One-Piece Bodysuit

Alo Yoga

Alo Body Wave One-Piece Bodysuit

Nylon blend (primary fiber); elastic/spandex blend construction

D
D · Elevated

Lower PFAS concern; standard stretch athletic wear with no water-repellent treatment flagged.

Risky category by default

Alo Moxie Bikini

Alo Yoga

Alo Moxie Bikini

Nylon blend (primary); no reported water/stain-resistant treatment specified

D
D · Elevated

Lower PFAS concern; standard athletic bikini with no known water-repellent coating finish, but brand provides no transparency.

Risky category by default

Alo Women's Black Xs One Piece Swimsuit

Alo Yoga

Alo Women's Black Xs One Piece Swimsuit

Nylon/spandex blend swimsuit fabric

D
D · Elevated

Lower PFAS concern for basic swimsuit, but Alo makes no public disclosure on water-repellent coating treatments.

Risky category by default

Alo Yoga Alosoft Ribbed Shimmer Pliet Bodysuit Asymmetrical Swimsuit

Alo Yoga

Alosoft Ribbed Shimmer Pliet Bodysuit Asymmetrical Swimsuit

Nylon/spandex blend (elastane); shimmer likely from polyester or mica coating

D
D · Elevated

Lower concern; no typical PFAS triggers in standard swimwear, but shimmer finish unspecified.

Risky category by default

Alo Yoga Swim | Alo X Frankies Cheeky One Piece Bathing Suit. Nwots. Small | Color: Black | Size: S | Racinerosio's Closet

Alo Yoga

Swim | Alo X Frankies Cheeky One Piece Bathing Suit. Nwots. Small | Color: Black | Size: S | Racinerosio's Closet

Nylon/spandex blend swimwear (typical for swim apparel)

D
D · Elevated

Lower PFAS concern for basic spandex swim apparel, but Alo Yoga provides no public disclosure on water-repellent coating treatments.

Risky category by default

Alo Yoga Body Wave Cutout One Shoulder One Piece Bodysuit in Ocean/Teal | Women's

Alo Yoga

Body Wave Cutout One Shoulder One Piece Bodysuit in Ocean/Teal | Women's

Nylon/spandex blend (likely)

D
D · Elevated

Lower PFAS concern for a standard athletic bodysuit, but brand opacity limits assurance.

Risky category by default

Alo Yoga Swim | Alo Black Scoop Neck One-Piece Swimsuit Size M | Color: Black | Size: M | Moda222's Closet

Alo Yoga

Swim | Alo Black Scoop Neck One-Piece Swimsuit Size M | Color: Black | Size: M | Moda222's Closet

Nylon/polyester blend swimsuit fabric (no water-resistant coating disclosed)

D
D · Elevated

Lower concern: standard swimwear with no water-repellent coating treatment claims, but no PFAS disclosure transparency.

Risky category by default

Aerie Super V One Piece Swimsuit

Aerie

Super V One Piece Swimsuit

nylon/polyamide blend with elastane

D
D · Elevated

Lower concern; standard swimwear without known water-repellent coating or performance coatings.

Risky category by default

Aerie Pique Full Coverage One Piece Swimsuit

Aerie

Pique Full Coverage One Piece Swimsuit

nylon/polyester blend

D
D · Elevated

Lower PFAS concern; standard swimwear with no water-repellent finish flagged.

Risky category by default

Aerie Henley Full Coverage One Piece Swimsuit

Aerie

Henley Full Coverage One Piece Swimsuit

Nylon and spandex blend (no specialized water-resistant coating claimed)

D
D · Elevated

Lower PFAS concern for basic swimwear; no evidence of water-repellent coating or specialty treatments typical of high-risk products.

Risky category by default

Aerie Horseshoe Ring Halter Full Coverage One Piece Swimsuit

Aerie

Horseshoe Ring Halter Full Coverage One Piece Swimsuit

Nylon/polyester blend swimsuit fabric

D
D · Elevated

Lower concern for a standard swimsuit; no known PFAS treatment triggers, but Aerie silent on chemical use.

Risky category by default

Onia New Black One Piece Swimsuit - New Women | Color: Black | Size: XS

Onia

New Black One Piece Swimsuit - New Women | Color: Black | Size: XS

Nylon with likely water-repellent coating finish (unspecified)

D
D · Elevated

Lower PFAS concern for a basic nylon swimsuit, but Onia's water-repellent coating treatment details are opaque.

Risky category by default

$175 Onia Black Michelle One Piece Swimsuit Small Ymy1223

Onia

$175 Onia Black Michelle One Piece Swimsuit Small Ymy1223

nylon/polyamide blend (standard swimwear fabric)

D
D · Elevated

Lower PFAS concern for basic one-piece swimsuit; no water-repellent coating or water-resistant treatment specified.

Risky category by default

Onia DVF X Ginny One Piece Swimsuit - New Women | Color: Blue | Size: M

Onia

DVF X Ginny One Piece Swimsuit - New Women | Color: Blue | Size: M

Nylon/polyester blend swimwear (likely nylon 6/6 or polyester with elastane)

D
D · Elevated

Lower concern, standard swimwear with no documented PFAS treatment, though no public commitment either.

Risky category by default

Onia Swim | Onia Sky Blue One Piece Swimsuit Scoop Neck Open Back Nylon Xs New | Color: Blue | Size: Xs | Dianaazalea's Closet

Onia

Swim | Onia Sky Blue One Piece Swimsuit Scoop Neck Open Back Nylon Xs New | Color: Blue | Size: Xs | Dianaazalea's Closet

Nylon swimwear (primary synthetic fiber)

D
D · Elevated

Lower concern than water-repellent coating-treated swimwear, but no PFAS transparency from brand.

Risky category by default

Onia Size M Blue Shadow Ginny Block Mesh One-piece Swimsuit $245

Onia

Size M Blue Shadow Ginny Block Mesh One-piece Swimsuit $245

nylon mesh (primary fiber)

D
D · Elevated

Lower concern; basic nylon swimwear with no known PFAS triggers, but brand discloses nothing.

Risky category by default

Onia NWT! Banana Republic Palm Print Isabella Swimsuit - Size Medium - New Women | Color: Gray/Green | Size: M

Onia

NWT! Banana Republic Palm Print Isabella Swimsuit - Size Medium - New Women | Color: Gray/Green | Size: M

Nylon/polyamide swimwear (likely with elastane)

D
D · Elevated

Lower concern; standard swimwear without water-repellent coating claims carries minimal PFAS risk, but brand transparency is absent.

Risky category by default

Vitamin A Jenna One-Piece Swimsuit

Vitamin A

Jenna One-Piece Swimsuit

Nylon/spandex blend swimsuit fabric

D
D · Elevated

Lower concern, no known water-repellent coating or special coating, but brand offers no transparency.

Risky category by default

Vitamin A Women's Rossi Halter Underwire Top

Vitamin A

Women's Rossi Halter Underwire Top

nylon/spandex blend with underwire support

D
D · Elevated

Lower PFAS concern for a basic nylon/spandex swimwear top without water-repellent treatment.

Risky category by default

Vitamin A Mila One-Piece Swimsuit

Vitamin A

Mila One-Piece Swimsuit

Nylon/polyamide blend swimsuit fabric

D
D · Elevated

Lower-concern baseline for untreated nylon swimwear; brand silence on PFAS treatment is typical but unverified.

Risky category by default

Vitamin A Classic Bandeau One Piece

Vitamin A

Classic Bandeau One Piece

Nylon/spandex blend swimwear

D
D · Elevated

Lower concern, standard swimwear with no known water-repellent coating treatment, but brand discloses nothing about PFAS.

Risky category by default

MIKOH Women's Mila One-Piece Swimsuit

Mikoh

Women's Mila One-Piece Swimsuit

Nylon/polyamide blend swimwear fabric

D
D · Elevated

Lower PFAS concern but no transparency; consider brands with explicit testing or certifications.

Risky category by default

Mikoh Malta One Piece

Mikoh

Malta One Piece

nylon/spandex blend swimsuit fabric

D
D · Elevated

Likely lower concern, but Mikoh provides no transparency on water-repellent coating treatment or PFAS practices.

Risky category by default

Mikoh Swim | Mikoh Moorea White One Piece Swimsuit | Color: White | Size: S | Cnguye21's Closet

Mikoh

Swim | Mikoh Moorea White One Piece Swimsuit | Color: White | Size: S | Cnguye21's Closet

Nylon swimsuit fabric (likely nylon/spandex blend)

D
D · Elevated

Lower concern for typical nylon swimwear; no water-repellent coating evident, but brand transparency is absent.

Risky category by default

MIKOH Women's Las Palmas Classic Stripe One-Piece Swimsuit

Mikoh

Women's Las Palmas Classic Stripe One-Piece Swimsuit

Nylon/polyester blend swimsuit fabric

D
D · Elevated

Lower concern; basic swimsuit without water-repellent treatments is unlikely to contain PFAS, but brand discloses nothing.

Risky category by default

MIKOH Women's Parsa Rattan Stripe Bikini Top

Mikoh

Women's Parsa Rattan Stripe Bikini Top

Rattan, polyester, nylon blend

D
D · Elevated

Lower concern; natural rattan bikini with no obvious water-repellent coating or performance treatments, but brand offers no PFAS transparency.

Risky category by default

Dasha One Piece

Mikoh

Dasha One Piece

Nylon/polyamide swimwear fabric

D
D · Elevated

Lower concern for PFAS, but Mikoh offers no transparency on water-repellent coating treatments or material sourcing.

Risky category by default

LSPACE Women's Piper Keyhole One-Piece Swimsuit

Lspace

Women's Piper Keyhole One-Piece Swimsuit

nylon/polyester blend (standard swimwear)

D
D · Elevated

Lower concern for a basic swimsuit; standard nylon/polyester typically doesn't require water-repellent coating treatment, but brand silence on materials is unremarkable for fashion

Risky category by default

Bondi One-Piece Swimsuit

Lspace

Bondi One-Piece Swimsuit

Nylon/polyamide blend swimwear

D
D · Elevated

Lower-concern swimwear material, but L*Space does not disclose water-repellent coating chemistry, ask them directly.

Risky category by default

L*Space Effie Bikini Top Women's

Lspace

L*Space Effie Bikini Top Women's

nylon/spandex blend swim fabric

D
D · Elevated

Lower-concern swim apparel; no synthetic water-repellent treatment typical of premium bikinis implies reduced PFAS risk.

Risky category by default

L*Space Women's Loren One-Piece Bitsy Swimsuit

Lspace

L*Space Women's Loren One-Piece Bitsy Swimsuit

Nylon/polyester blend swimsuit fabric

D
D · Elevated

Lower PFAS concern for typical swimsuit, but Lspace offers no transparency on water-repellent coating treatments.

Risky category by default

L*Space Nadia Blanket Stitch One Piece Swimsuit

Lspace

L*Space Nadia Blanket Stitch One Piece Swimsuit

Nylon/polyamide blend (likely nylon 6 or nylon 6.6 base)

D
D · Elevated

Lower concern for typical swimwear; no PFAS-related treatments identified, but brand offers no transparency.

Risky category by default

L*Space Elise One Piece Swimsuit

Lspace

L*Space Elise One Piece Swimsuit

nylon/polyester blend (typical swimwear)

D
D · Elevated

Lower concern baseline; standard swimwear without obvious water-repellent coating flag, but brand silence on PFAS is typical for fashion segment.

Risky category by default

L*Space Swim L*Space Ribbed Baewatch One Piece Swimsuit

Lspace

L*Space Swim L*Space Ribbed Baewatch One Piece Swimsuit

Nylon/polyamide blend (ribbed knit swimsuit)

D
D · Elevated

Lower-concern baseline; no PFAS red flags, but no transparency, ask the brand if worried.

Risky category by default

Solid & Striped Women's Willow Reversible Halter One Piece Swimsuit

Solid & Striped

Women's Willow Reversible Halter One Piece Swimsuit

Nylon/polyester blend swimsuit fabric (standard textile)

D
D · Elevated

Lower PFAS concern for standard swimwear; no evidence of water-repellent coating treatment typical of performance brands.

Risky category by default

Solid & Striped Women's Alma One-Piece Swimsuit

Solid & Striped

Women's Alma One-Piece Swimsuit

Nylon/spandex blend swimsuit fabric

D
D · Elevated

Lower-concern swimwear; no known PFAS triggers, but brand offers no transparency.

Risky category by default

Solid & Striped Michelle Reversible One-Piece

Solid & Striped

Michelle Reversible One-Piece

Nylon/polyamide blend swimwear

D
D · Elevated

Lower-concern swimwear, but lack of transparency on water-repellent coating treatments leaves modest uncertainty.

Risky category by default

Solid & Striped Taylor One Piece Seersucker Plaid

Solid & Striped

Taylor One Piece Seersucker Plaid

Cotton/cotton-blend seersucker plaid

D
D · Elevated

Lower concern: untreated cotton swimwear with no water-resistant coating flagged.

Risky category by default

Solid & Striped The Iris Bikini Top

Solid & Striped

The Iris Bikini Top

Polyamide/nylon fabric

D
D · Elevated

Lower-concern baseline for untreated swimwear, but no brand transparency on finishing treatments.

Risky category by default

Andie Women's Swim Andie The Malibu One Piece Swimsuit

Andie

Women's Swim Andie The Malibu One Piece Swimsuit

Nylon/polyester blend swimsuit fabric, likely uncoated

D
D · Elevated

Lower concern for this basic swimsuit, but Andie provides no transparency on water-repellent coating finishes.

Risky category by default

Hunza G Clara One-Shoulder Swimsuit

Hunza G

Clara One-Shoulder Swimsuit

Nylon elastane blend (swimsuit fabric)

D
D · Elevated

Lower concern, standard synthetic swimsuit with no known water-repellent coating treatment; silence on PFAS is typical for this category.

Risky category by default

Hunza G Coverage Square Neck Swimsuit

Hunza G

Coverage Square Neck Swimsuit

Nylon/polyamide blend (likely nylon with elastane)

D
D · Elevated

Lower PFAS concern for a swimsuit, but brand transparency is absent.

Risky category by default

Reiss Maya Plunge Halterneck Swimsuit

Reiss

Maya Plunge Halterneck Swimsuit

nylon/polyamide blend (typical swimwear)

D
D · Elevated

Lower-concern baseline; Reiss offers no PFAS transparency, but typical swimwear lacks obvious PFAS triggers, check care labels.

Risky category by default

Reiss Women's Imogen Hardware-Strap Cut-Out Swimsuit

Reiss

Women's Imogen Hardware-Strap Cut-Out Swimsuit

nylon/polyester blend (standard swimwear)

D
D · Elevated

Lower PFAS concern; standard swimwear with no known chemical treatment triggers.

Risky category by default

Reiss Delta Mesh-Insert Halterneck Swimsuit

Reiss

Delta Mesh-Insert Halterneck Swimsuit

Nylon/polyamide mesh insert and swimsuit fabric

D
D · Elevated

Lower concern swimsuit; no known PFAS triggers, but Reiss makes no public disclosure.

Risky category by default

Reiss Lucia Floral-Print Halterneck Swimsuit

Reiss

Lucia Floral-Print Halterneck Swimsuit

polyamide (nylon) or elastane blend swimwear

D
D · Elevated

Lower PFAS concern for a basic printed swimsuit, but no brand transparency on finishes.

Risky category by default

Reiss Women's Luna Underwire Bandeau Cutout Swimsuit

Reiss

Women's Luna Underwire Bandeau Cutout Swimsuit

Nylon, spandex blend (typical swimsuit construction)

D
D · Elevated

Lower PFAS concern, standard swimwear without obvious water-repellent or stain-resistant treatment, but no public disclosure.

Risky category by default

Reiss Janina Polka- Dot Bandeau Bikini Top

Reiss

Janina Polka- Dot Bandeau Bikini Top

Nylon/polyamide blend with elastane

D
D · Elevated

Lower-concern swimwear; no known PFAS trigger, but Reiss makes no public disclosure.

Risky category by default

Reiss Men's Geometric-Print Swim Shorts

Reiss

Men's Geometric-Print Swim Shorts

Polyester swim short (likely uncoated)

D
D · Elevated

Lower concern, standard polyester swim shorts without known water-repellent finish.

Risky category by default

COS Women's Contrast-Trim Swimsuit

COS

Women's Contrast-Trim Swimsuit

nylon/elastane blend swimsuit fabric

D
D · Elevated

Lower-concern baseline, common swimsuit without water-repellent claims, but COS discloses nothing about PFAS practices.

Risky category by default

COS Women's Bonded-Scuba V-Neck Swimsuit in Red | Size: 6

COS

Women's Bonded-Scuba V-Neck Swimsuit in Red | Size: 6

Bonded scuba neoprene/polyester blend

D
D · Elevated

Lower PFAS concern; bonded scuba is typically untreated, but COS provides no public disclosure.

Risky category by default

COS Women's Asymmetric Double-Faced Swimsuit

COS

Women's Asymmetric Double-Faced Swimsuit

Polyamide (nylon) blend; double-faced woven textile

D
D · Elevated

Lower concern for PFAS, but COS provides no transparency on water-repellent coating treatments or chemical inputs.

Risky category by default

COS Women's Bonded Swimsuit in Brown | Size: 14

COS

Women's Bonded Swimsuit in Brown | Size: 14

Nylon/polyester blend with elastane (bonded swimwear construction)

D
D · Elevated

Lower concern for a basic bonded swimsuit, but COS provides no PFAS transparency.

Risky category by default

COS Women's Bonded-Scuba V-Neck Bikini Top

COS

Women's Bonded-Scuba V-Neck Bikini Top

Nylon/polyamide blend (bonded-scuba knit)

D
D · Elevated

Lower PFAS concern, but COS offers no transparency, ask them directly.

Risky category by default

Scuba Swimsuit

COS

Scuba Swimsuit

polyamide (nylon) or polyester blend

D
D · Elevated

Lower concern, basic swimwear material with no known PFAS triggers, but COS offers no public PFAS transparency.

Risky category by default

Bonded-Scuba V-Neck Swimsuit

COS

Bonded-Scuba V-Neck Swimsuit

Nylon/polyamide blend (bonded construction)

D
D · Elevated

Lower concern; standard swim fabric with no known PFAS triggers, but no brand transparency.

Risky category by default

Reformation Joy One Piece Swimsuit

Reformation

Joy One Piece Swimsuit

Nylon/polyamide blend (likely nylon 6 or nylon 6,6) with elastane

D
D · Elevated

Lower concern for typical swimsuit, no water-repellent finish disclosed, but nylon elastane blends don't inherently require PFAS.

Risky category by default

Reformation Wailea One Piece Swimsuit | Black | XL

Reformation

Wailea One Piece Swimsuit | Black | XL

Nylon blend swimwear (likely nylon/spandex)

D
D · Elevated

Lower-concern choice; standard swimwear fabric with no known PFAS triggers, but brand offers no transparency.

Risky category by default

Reformation Posidonia One Piece Swimsuit

Reformation

Posidonia One Piece Swimsuit

Nylon/polyester blend swimsuit fabric (standard synthetic)

D
D · Elevated

Lower-concern choice; typical swimwear without known PFAS red flags, but no transparency.

Risky category by default

Reformation Posidonia One Piece Swimsuit | Black | Medium

Reformation

Posidonia One Piece Swimsuit | Black | Medium

Nylon blend (primary), elastane/spandex

D
D · Elevated

Lower PFAS concern for standard swim fabric, but Reformation's water-repellent coating treatments on other apparel warrant caution.

Risky category by default

Reformation Zahara Bikini Top

Reformation

Zahara Bikini Top

Nylon/polyamide blend, no water-resistant treatment noted

D
D · Elevated

Lower concern for PFAS; typical bikini with no water-repellent coating treatment disclosed.

Risky category by default

Reformation Campo Bikini Bottom

Reformation

Campo Bikini Bottom

Recycled nylon (primary); standard swimwear construction

D
D · Elevated

Lower concern; basic bikini bottom with no known PFAS triggers, but Reformation does not disclose water-repellent coating treatment details.

Risky category by default

Speedo Women's Aquablade Recordbreaker One-Piece Swimsuit

Speedo

Women's Aquablade Recordbreaker One-Piece Swimsuit

Polyester blend with water-repellent coating treatment (likely Teflon-family coating-based)

F
F · High PFAS

Moderate PFAS risk due to likely water-repellent coating; Speedo discloses nothing, seek brand confirmation before purchase.

Waterproof or stain-proof treatment

Speedo Women's Endurance+ Medalist Swimsuit

Speedo

Women's Endurance+ Medalist Swimsuit

Polyester with water-repellent coating finish

F
F · High PFAS

Moderate concern: Speedo does not disclose PFAS use in water-repellent coating treatment; many competitors now do.

Waterproof or stain-proof treatment

Speedo Women's Moderate Ultraback PowerFLEX One Piece Swimsuit

Speedo

Women's Moderate Ultraback PowerFLEX One Piece Swimsuit

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

F
F · High PFAS

Skip unless Speedo confirms PFAS-free water-repellent coating treatment, silent on chemistry.

Waterproof or stain-proof treatment

Women's Rip Curl Classic Surf Swimsuit

Rip Curl

Women's Rip Curl Classic Surf Swimsuit

Nylon/polyester blend with water-repellent coating finish

F
F · High PFAS

Moderate concern: typical surf swimsuit with untransparent water-repellent treatment.

Waterproof or stain-proof treatment

Rip Curl Women's Surf Stripe UPF Surf Suit

Rip Curl

Women's Surf Stripe UPF Surf Suit

Polyester blend with water-repellent coating (water-repellent coating) treatment

F
F · High PFAS

Skip or contact Rip Curl directly, no PFAS disclosure on a water-repellent swim product.

Waterproof or stain-proof treatment

Rip Curl Women's Premium Surf Short Jane Swimsuit

Rip Curl

Women's Premium Surf Short Jane Swimsuit

Nylon/polyester blend with water-repellent coating (water-repellent coating) finish

F
F · High PFAS

water-repellent coating swimwear commonly uses PFAS; Rip Curl makes no disclosure, request details before buying.

Waterproof or stain-proof treatment

Patagonia Women's Cross Shore One-Piece Swimsuit

Patagonia

Women's Cross Shore One-Piece Swimsuit

Nylon/polyamide blend with water-repellent coating treatment

F
F · High PFAS

Skip until Patagonia discloses or certifies water-repellent coating chemistry, legacy swimsuit lines often contain fluorinated water repellents.

Waterproof or stain-proof treatment

Patagonia Women's Long Sleeved Swell Seeker One Piece Swimsuit

Patagonia

Women's Long Sleeved Swell Seeker One Piece Swimsuit

Nylon/polyamide with water-repellent coating (water-repellent coating) finish

F
F · High PFAS

Swimsuit likely treated with PFAS-based water-repellent coating; Patagonia silent on PFAS specifics, moderate concern.

Waterproof or stain-proof treatment

Patagonia Women's Sunny Tide One-Piece Swimsuit

Patagonia

Women's Sunny Tide One-Piece Swimsuit

Nylon/polyester blend with water-repellent coating treatment

F
F · High PFAS

Swimsuit likely treated with water-repellent coating, material unknown; Patagonia silent on PFAS; moderate concern warranted.

Waterproof or stain-proof treatment

Athleta Girl's Rashguard One Piece Swimsuit

Athleta

Girl's Rashguard One Piece Swimsuit

Polyester blend with water-repellent coating finish

F
F · High PFAS

Skip until Athleta discloses water-repellent coating treatment chemistry or provides third-party testing.

Waterproof or stain-proof treatment

Athleta Girl High Neck One Piece

Athleta

Girl High Neck One Piece

Nylon/polyester blend with likely water-repellent coating finish

F
F · High PFAS

Likely uses legacy water-repellent coating treatment; Athleta's parent (Gap Inc.) offers no PFAS transparency on swimwear.

Waterproof or stain-proof treatment

Athleta Girl Reversible Strappy One Piece Aera

Athleta

Girl Reversible Strappy One Piece Aera

Nylon/polyester blend with likely water-repellent finish

F
F · High PFAS

Skip until Athleta discloses water-repellent coating chemistry or commits to PFAS-free alternatives.

Waterproof or stain-proof treatment

Athleta Girl Reversible High Rise Swim Bottom

Athleta

Girl Reversible High Rise Swim Bottom

Polyester/nylon blend with water-repellent coating finish (unspecified chemistry)

F
F · High PFAS

High-risk silhouette: water-repellent coating swim bottoms typically use PFAS, Athleta has not disclosed their treatment chemistry.

Waterproof or stain-proof treatment

Athleta Swim Athleta Aqualuxe Square Plunge One Piece Swimsuit

Athleta

Swim Athleta Aqualuxe Square Plunge One Piece Swimsuit

Nylon/spandex blend with water-resistant treatment

F
F · High PFAS

Skip until brand discloses water-repellent chemistry; swimwear durability coatings often contain PFAS.

Waterproof or stain-proof treatment

Athleta Womens Aqualuxe Plunge One Piece

Athleta

Womens Aqualuxe Plunge One Piece

Nylon blend with water-repellent coating water-repellent finish

F
F · High PFAS

Skip until Athleta discloses its water-repellent coating chemistry or switches to PFAS-free water repellents.

Waterproof or stain-proof treatment

Lands' End Women's Tugless Long Sleeve Rash Guard One Piece Swimsuit

Lands' End

Women's Tugless Long Sleeve Rash Guard One Piece Swimsuit

Nylon/polyester blend with water-repellent coating treatment

F
F · High PFAS

Skip unless Lands' End discloses water-repellent coating chemistry, rash guards typically use fluorinated water repellents.

Waterproof or stain-proof treatment

Lands' End Women's Tugless High Neck Portrait Back One Piece Swimsuit

Lands' End

Women's Tugless High Neck Portrait Back One Piece Swimsuit

Nylon/spandex blend with water-resistant finish

F
F · High PFAS

Moderate PFAS concern due to likely water-repellent coating treatment; Lands' End provides no transparency.

Waterproof or stain-proof treatment

Women's Lands' End DD-Cup New SlenderSuit Wrap One Piece Swimsuit

Lands' End

Women's Lands' End DD-Cup New SlenderSuit Wrap One Piece Swimsuit

Nylon/polyester blend with water-resistant finish (water-repellent coating treatment)

F
F · High PFAS

Higher PFAS risk from water-repellent coating; Lands' End provides no transparency on treatment chemistry.

Waterproof or stain-proof treatment

Lands' End Women's Tugless X-Back One Piece Swimsuit

Lands' End

Women's Tugless X-Back One Piece Swimsuit

Nylon/spandex blend with likely water-repellent coating water-repellent finish

F
F · High PFAS

Skip unless Lands' End discloses water-repellent coating chemistry; swimsuit water-repellency historically relies on PFAS.

Waterproof or stain-proof treatment

Lands' End Women's DD-Cup Tummy Control Square Neck Underwire Tankini Swimsuit Top

Lands' End

Women's DD-Cup Tummy Control Square Neck Underwire Tankini Swimsuit Top

nylon/spandex blend with tummy-control panel; likely water-resistant treatment

F
F · High PFAS

Moderate PFAS risk due to likely water-repellent coating finish; no disclosure from Lands' End.

Waterproof or stain-proof treatment

Lands' End Women's Tugless Monokini Swim Dress Swimsuit

Lands' End

Women's Tugless Monokini Swim Dress Swimsuit

Nylon/polyamide blend with water-repellent coating (water-repellent coating) finish

F
F · High PFAS

Skip if PFAS-concerned; Lands' End silent on water-repellent coating chemistry and PFAS use.

Waterproof or stain-proof treatment

Lands' End Women's DD-Cup Tummy Control Chlorine Resistant Soft Cup Tugless One Piece Swimsuit

Lands' End

Women's DD-Cup Tummy Control Chlorine Resistant Soft Cup Tugless One Piece Swimsuit

Nylon/polyester blend with chlorine-resistant treatment (water-repellent coating likely)

F
F · High PFAS

Chlorine-resistant swimwear often uses PFAS-based water-repellent coating finishes; Lands' End does not disclose treatment chemistry.

Waterproof or stain-proof treatment

Lands' End Women's Tugless Sporty DDD-Cup Chlorine Resistant One-Piece Swimsuit

Lands' End

Women's Tugless Sporty DDD-Cup Chlorine Resistant One-Piece Swimsuit

Nylon/polyester blend with chlorine-resistant and water-repellent coating (water-repellent coating) finish

F
F · High PFAS

Skip unless Lands' End discloses or verifies water-repellent coating treatment chemistry; chlorine-resistant swimwear often uses PFAS.

Waterproof or stain-proof treatment

J.Crew Women's Claudia One-piece Swimsuit

J.Crew

Women's Claudia One-piece Swimsuit

Nylon/polyester blend with water-repellent coating finish

F
F · High PFAS

Skip until J.Crew discloses water-repellent coating chemistry or commits to PFAS-free treatment.

Waterproof or stain-proof treatment

Nike Women's Water Texture Jacquard V-Neck One-Piece Swimsuit

Nike

Women's Water Texture Jacquard V-Neck One-Piece Swimsuit

Nylon jacquard with water-repellent coating (water-repellent coating) finish

F
F · High PFAS

Skip until Nike discloses water-repellent coating chemistry or commits to PFAS-free treatment.

Waterproof or stain-proof treatment

Nike Women's Shoreline Scoop Neck One Piece Swimsuit

Nike

Women's Shoreline Scoop Neck One Piece Swimsuit

Nylon/polyester blend with water-repellent coating finish

F
F · High PFAS

Skip until Nike discloses water-repellent coating chemistry; common swimwear uses PFAS-based water repellents.

Waterproof or stain-proof treatment

Nike Women's Fastback One Piece Swimsuit

Nike

Women's Fastback One Piece Swimsuit

Nylon/polyester blend with water-repellent coating finish

F
F · High PFAS

Skip until Nike discloses water-repellent coating chemistry, PFAS risk unclear.

Waterproof or stain-proof treatment

Nike Women's V-Back One Piece Swimsuit

Nike

Women's V-Back One Piece Swimsuit

Polyester/nylon blend with likely water-repellent coating treatment

F
F · High PFAS

Skip or contact Nike directly, swimsuit likely has water-repellent finish but brand discloses nothing about PFAS.

Waterproof or stain-proof treatment

Nike Women's Swim Ribbed Texture U-Back Low Leg One Piece

Nike

Women's Swim Ribbed Texture U-Back Low Leg One Piece

Polyester with water-repellent coating finish

F
F · High PFAS

Skip until Nike discloses water-repellent coating chemistry or switches to PFAS-free water repellency.

Waterproof or stain-proof treatment

Nike Women's Hydralock Luxe V-Neck One Piece Swimsuit

Nike

Women's Hydralock Luxe V-Neck One Piece Swimsuit

Nylon/polyester blend with water-repellent treatment

F
F · High PFAS

Skip or contact Nike directly, swimwear water-repellent coating treatments often use PFAS, but Nike discloses nothing.

Waterproof or stain-proof treatment

adidas RIPSTREAM 3-STRIPES TIE BACK SWIMSUIT

Adidas

RIPSTREAM 3-STRIPES TIE BACK SWIMSUIT

Nylon/polyester blend with water-repellent coating (water-repellent coating) coating

F
F · High PFAS

Moderate concern: swimwear water-repellent coating coatings often contain PFAS, but Adidas makes no public disclosure either way.

Waterproof or stain-proof treatment

adidas Swim adidas Adizero Freestyle Swimsuit Women's

Adidas

Swim adidas Adizero Freestyle Swimsuit Women's

Polyester with water-repellent treatment

F
F · High PFAS

Skip until Adidas confirms PFAS-free water-repellent coating treatment or switches to fluorine-free alternatives.

Waterproof or stain-proof treatment

adidas Adizero BS Women's Swimsuit

Adidas

Adizero BS Women's Swimsuit

Polyester/nylon blend with water-repellent coating (water-repellent coating) treatment

F
F · High PFAS

Skip or contact Adidas directly, swimsuit likely has water-repellent coating, but brand offers no PFAS transparency.

Waterproof or stain-proof treatment

adidas Women's Originals U-back Swimsuit

Adidas

Women's Originals U-back Swimsuit

polyester/nylon blend with water-repellent coating water-repellent coating

F
F · High PFAS

Skip or contact Adidas directly, swimwear water-repellent coating coatings often use PFAS, and the brand discloses nothing.

Waterproof or stain-proof treatment

Tommy Hilfiger Women's One Piece Swimsuit

Tommy Hilfiger

Women's One Piece Swimsuit

Nylon/polyester blend with likely water-repellent coating (water-repellent coating) finish

F
F · High PFAS

Skip or contact Tommy Hilfiger directly about water-repellent coating treatment chemistry before buying.

Waterproof or stain-proof treatment

Tommy Hilfiger Women's Striped One-Piece Swimsuit

Tommy Hilfiger

Women's Striped One-Piece Swimsuit

Polyester/nylon blend with likely water-repellent coating (water-repellent coating) treatment

F
F · High PFAS

Typical swimwear with likely water-repellent coating; Tommy Hilfiger does not disclose PFAS use or absence.

Waterproof or stain-proof treatment

Old Navy Women's Strapless Belted One-Piece Swimsuit

Gap

Old Navy Women's Strapless Belted One-Piece Swimsuit

polyester/nylon blend with water-repellent coating finish

F
F · High PFAS

Standard swimwear with likely water-repellent coating treatment, moderate PFAS risk, but no public disclosure.

Waterproof or stain-proof treatment

Gap Girls Rash Guard One-Piece Swimsuit

Gap

Girls Rash Guard One-Piece Swimsuit

Polyester blend with water-repellent coating finish (likely fluorinated)

F
F · High PFAS

Rash guards typically use water-repellent coating coatings that may contain PFAS; Gap discloses nothing, safer alternatives exist.

Waterproof or stain-proof treatment

Gap Factory Babygap Swim Two-Piece

Gap

Factory Babygap Swim Two-Piece

Polyester blend swim fabric with water-repellent coating water-repellent finish

F
F · High PFAS

Skip until Gap discloses water-repellent coating chemistry, water-repellent swimwear commonly uses PFAS.

Waterproof or stain-proof treatment

Seafolly Women's Active Deep V-Neck One-Piece Swimsuit

Seafolly

Women's Active Deep V-Neck One-Piece Swimsuit

Nylon/polyamide blend with likely water-repellent coating finish

F
F · High PFAS

Skip unless Seafolly discloses water-repellent coating chemistry, synthetic swimwear commonly uses PFAS water repellency.

Waterproof or stain-proof treatment

Seafolly Women's Cap Sleeve Zip Front One Piece

Seafolly

Women's Cap Sleeve Zip Front One Piece

Polyamide/nylon swimsuit fabric with likely water-repellent coating finish

F
F · High PFAS

Swimwear water-repellent coating treatment raises PFAS concern; Seafolly provides no transparency.

Waterproof or stain-proof treatment

Seafolly Women's Cap Sleeve Zip-Front One Piece Swimsuit

Seafolly

Women's Cap Sleeve Zip-Front One Piece Swimsuit

Nylon/spandex blend with water-repellent coating finish

F
F · High PFAS

Typical swimwear with unknown water-repellent coating treatment; PFAS risk unclear without ingredient disclosure.

Waterproof or stain-proof treatment

Seafolly Women's Collective Multi Fit Square Neck One Piece Swimsuit

Seafolly

Women's Collective Multi Fit Square Neck One Piece Swimsuit

Nylon/polyester blend with likely water-repellent coating finish

F
F · High PFAS

Skip until Seafolly discloses water-repellent coating chemistry, synthetic swimwear often relies on PFAS water repellency.

Waterproof or stain-proof treatment

Seafolly Women's Long Sleeve Zip Front One-Piece Swimsuit

Seafolly

Women's Long Sleeve Zip Front One-Piece Swimsuit

Nylon/polyester blend with water-repellent coating finish

F
F · High PFAS

Moderate risk: synthetic swimwear with water-resistant coating likely contains legacy or replacement PFAS; Seafolly makes no public disclosure.

Waterproof or stain-proof treatment

Seafolly Women's Collective DD One-Piece Swimsuit

Seafolly

Women's Collective DD One-Piece Swimsuit

Nylon/polyester blend with water-repellent coating (water-repellent coating) finish

F
F · High PFAS

Typical swimwear with water-repellent coating treatment, likely contains PFAS, but no public disclosure or testing to confirm.

Waterproof or stain-proof treatment

Seafolly Women's Collective MF Gathered WrapFront One Piece Swimwear

Seafolly

Women's Collective MF Gathered WrapFront One Piece Swimwear

Nylon/polyamide blend with water-repellent treatment

F
F · High PFAS

Skip unless Seafolly discloses water-repellent coating chemistry, typical swimwear treatment may contain PFAS.

Waterproof or stain-proof treatment

Seafolly Women's Sea Dive Deep V-Neck One-Piece Swimsuit

Seafolly

Women's Sea Dive Deep V-Neck One-Piece Swimsuit

Nylon/polyester blend with water-repellent coating (water-repellent coating) finish

F
F · High PFAS

Skip unless Seafolly discloses water-repellent coating chemistry; PFAS risk unclear due to water-repellent coating.

Waterproof or stain-proof treatment

Billabong Women's Sol Searcher Sloane One-Piece Swimsuit

Billabong

Women's Sol Searcher Sloane One-Piece Swimsuit

Polyester/nylon blend with likely water-repellent coating water-repellent finish

F
F · High PFAS

Skip unless Billabong discloses water-repellent coating chemistry, water-repellent swimwear often uses PFAS.

Waterproof or stain-proof treatment

Billabong Women's Sweet Escape Sloane One-Piece Swimsuit

Billabong

Women's Sweet Escape Sloane One-Piece Swimsuit

Polyester/nylon blend with likely water-repellent coating finish

F
F · High PFAS

Typical swimwear with unknown water-repellent treatment; PFAS risk unconfirmed but plausible.

Waterproof or stain-proof treatment

Billabong Women's Tanlines Bound Sloane Hawaii One-Piece Swimsuit

Billabong

Women's Tanlines Bound Sloane Hawaii One-Piece Swimsuit

Polyester/nylon blend with water-repellent coating treatment

F
F · High PFAS

Moderate concern, swimwear water-repellent coating finishes often use PFAS, but Billabong discloses nothing.

Waterproof or stain-proof treatment

Women's Billabong Paradise Sun Tully Strapless One-Piece Swimsuit

Billabong

Women's Billabong Paradise Sun Tully Strapless One-Piece Swimsuit

Nylon/polyester blend with water-repellent coating (water-repellent coating) finish

F
F · High PFAS

Likely water-repellent coating-treated swimwear; lower concern possible but Billabong's PFAS stance unknown.

Waterproof or stain-proof treatment

Billabong Women's Stay Grounded Tanker One Piece Swimsuit

Billabong

Women's Stay Grounded Tanker One Piece Swimsuit

Polyester/nylon blend with water-repellent coating finish

F
F · High PFAS

Skip until Billabong discloses water-repellent coating chemistry or commits to PFAS-free.

Waterproof or stain-proof treatment

Billabong Women's Sandy Shells Hailey One-Piece Swimsuit

Billabong

Women's Sandy Shells Hailey One-Piece Swimsuit

Nylon/polyester blend with water-repellent coating water-repellent treatment

F
F · High PFAS

Uncertain; typical swim-wear water-repellent coating finish may contain PFAS, but Billabong has not disclosed coating chemistry.

Waterproof or stain-proof treatment

Billabong Women's Sol Searcher 50 UPF Long Sleeve Rashguard

Billabong

Women's Sol Searcher 50 UPF Long Sleeve Rashguard

Polyester with UPF/water-repellent coating treatment

F
F · High PFAS

Skip until Billabong discloses water-repellent coating chemistry; UPF rashguards typically use PFAS water-repellent finishes.

Waterproof or stain-proof treatment

Quiksilver Men's Swim Trunk

Quiksilver

Men's Swim Trunk

polyester/nylon blend with water-repellent coating finish

F
F · High PFAS

Skip until brand discloses water-repellent coating chemistry or switches to fluorine-free water repellent.

Waterproof or stain-proof treatment

Quiksilver 2/2 Prologue Bz Wetsuit

Quiksilver

2/2 Prologue Bz Wetsuit

Neoprene wetsuit with likely water-repellent coating-treated nylon exterior

F
F · High PFAS

Moderate PFAS concern; standard wetsuits often use fluorinated water repellents, Quiksilver makes no disclosure.

Waterproof or stain-proof treatment

Quiksilver Men's Everyday Sessions Back-Zip Short Sleeve Spring Suit

Quiksilver

Men's Everyday Sessions Back-Zip Short Sleeve Spring Suit

Neoprene/nylon with water-repellent coating (water-repellent coating) treatment

F
F · High PFAS

Spring suits typically use water-repellent coating coatings; Quiksilver's treatment specifics unknown, contact brand for PFAS status.

Waterproof or stain-proof treatment

Quiksilver Men's Prologue Long Sleeve Spring Suit

Quiksilver

Men's Prologue Long Sleeve Spring Suit

Neoprene/synthetic rubber with water-repellent coating treatment

F
F · High PFAS

Skip or contact Quiksilver directly, no PFAS disclosure on wetsuits.

Waterproof or stain-proof treatment

Quiksilver Men's Mercury Gravity 21" Boardshorts

Quiksilver

Men's Mercury Gravity 21" Boardshorts

Polyester with water-repellent coating (water-repellent coating) finish

F
F · High PFAS

Skip or request transparency, water-repellent coating boardshorts commonly use PFAS, and Quiksilver doesn't disclose.

Waterproof or stain-proof treatment

Velocity Quiksilver x Pacifico Isa High Leg One Piece Swimsuit

Quiksilver

Velocity Quiksilver x Pacifico Isa High Leg One Piece Swimsuit

Polyester/nylon blend with likely water-repellent coating (water-repellent coating) finish

F
F · High PFAS

Typical swimwear with probable water-repellent coating treatment; PFAS status opaque, ask Quiksilver directly or avoid if concerned.

Waterproof or stain-proof treatment

Quiksilver Men's Geometric Swim Trunks

Quiksilver

Men's Geometric Swim Trunks

Polyester swim trunks with likely water-repellent coating (water-repellent coating) finish

F
F · High PFAS

Skip or verify: standard swim trunks likely use PFAS-based water-repellent coating; Quiksilver has not disclosed PFAS practices.

Waterproof or stain-proof treatment

Summersalt Women's Swim Summersalt Sidestroke One Piece Swimsuit

Summersalt

Women's Swim Summersalt Sidestroke One Piece Swimsuit

Nylon/polyamide blend with water-repellent coating (water-repellent coating) finish

F
F · High PFAS

Skip unless Summersalt discloses water-repellent coating chemistry; PFAS risk unclear.

Waterproof or stain-proof treatment

Summersalt Women's Sidestroke One Piece Swimsuit

Summersalt

Women's Sidestroke One Piece Swimsuit

Nylon blend with water-repellent coating (water-repellent coating) finish

F
F · High PFAS

Moderate PFAS concern due to likely water-repellent coating treatment; no brand transparency.

Waterproof or stain-proof treatment

Alo Yoga Body Wave One Piece Swimsuit

Alo Yoga

Body Wave One Piece Swimsuit

Nylon blend with water-repellent coating treatment

F
F · High PFAS

Moderate concern due to likely water-repellent coating with no PFAS disclosure.

Waterproof or stain-proof treatment

Onia Rachel Watercolor Stripe Scoop Back Swimsuit

Onia

Rachel Watercolor Stripe Scoop Back Swimsuit

Nylon/polyamide blend (swimsuit fabric), likely with water-repellent coating finish

F
F · High PFAS

Skip if PFAS-concerned; swimwear water-repellent coating treatments commonly contain PFAS, and Onia does not disclose.

Waterproof or stain-proof treatment

Onia Two-Tone Swimsuit

Onia

Two-Tone Swimsuit

Nylon/polyester blend with water-resistant treatment

F
F · High PFAS

Silent on PFAS; typical swimwear water-repellent coating treatment raises concern, request material disclosure.

Waterproof or stain-proof treatment

MIKOH Java Bikini Top Women's

Mikoh

Java Bikini Top Women's

nylon/polyester blend with water-repellent coating (water-repellent coating) treatment

F
F · High PFAS

Higher concern due to likely water-repellent coating treatment; brand transparency absent.

Waterproof or stain-proof treatment

L*Space Sunrise Shell Bikini Top

Lspace

L*Space Sunrise Shell Bikini Top

Nylon/polyester blend with water-repellent coating treatment

F
F · High PFAS

Skip until brand discloses water-repellent coating chemistry, PFAS risk likely but unconfirmed.

Waterproof or stain-proof treatment

Solid Striped Women's Veronica One-Piece Swimsuit

Solid & Striped

Solid Striped Women's Veronica One-Piece Swimsuit

Nylon/polyamide blend with water-repellent coating (water-repellent coating) finish

F
F · High PFAS

Skip until brand discloses water-repellent coating chemistry, swimwear water-repellency often uses PFAS.

Waterproof or stain-proof treatment

Andie Women's Swim Andie The Amalfi One Piece Swimsuit

Andie

Women's Swim Andie The Amalfi One Piece Swimsuit

Nylon/polyamide blend with water-repellent coating (unspecified chemistry)

F
F · High PFAS

Skip until brand discloses water-repellent coating treatment chemistry, likely PFAS but unconfirmed.

Waterproof or stain-proof treatment

ANDie Women's Fiji Lace-Up Back One-Piece Swimsuit

Andie

Women's Fiji Lace-Up Back One-Piece Swimsuit

Nylon/polyester blend with likely water-repellent coating water-repellent finish

F
F · High PFAS

Skip until brand discloses water-repellent coating chemistry; swimsuits commonly use PFAS water-repellents.

Waterproof or stain-proof treatment

Andie Women's The Amalfi One-Piece Swimsuit

Andie

Women's The Amalfi One-Piece Swimsuit

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

F
F · High PFAS

Skip or request PFAS transparency, typical swimwear often uses PFAS-based water-repellent coating coatings.

Waterproof or stain-proof treatment

Andie Women's The Amalfi Swim Dress

Andie

Women's The Amalfi Swim Dress

Nylon/polyester blend with water-repellent coating water-repellent treatment

F
F · High PFAS

Skip until Andie discloses water-repellent coating chemistry or certifies PFAS-free.

Waterproof or stain-proof treatment

Andie Swim Women's Copacabana One Piece Swimsuit

Andie

Swim Women's Copacabana One Piece Swimsuit

Nylon/spandex blend with water-resistant finish

F
F · High PFAS

Typical swimwear with likely water-repellent coating, lower certainty without brand transparency on treatments.

Waterproof or stain-proof treatment

Andie Women's The Betina One-Piece Swimsuit

Andie

Women's The Betina One-Piece Swimsuit

Nylon/spandex blend with water-repellent coating finish

F
F · High PFAS

Moderate concern, swimwear water-repellent coating source unknown; Andie offers no PFAS transparency.

Waterproof or stain-proof treatment

Andie Women's Snap Long Torso One-Piece Swimsuit

Andie

Women's Snap Long Torso One-Piece Swimsuit

Nylon/spandex blend with likely water-repellent coating

F
F · High PFAS

Skip unless Andie discloses water-repellent coating chemistry; swimwear water-repellency commonly relies on PFAS.

Waterproof or stain-proof treatment

Hunza G Women's Faye One Piece Swimsuit

Hunza G

Women's Faye One Piece Swimsuit

Nylon/polyamide blend with water-repellent coating treatment

F
F · High PFAS

Elevated PFAS risk due to likely fluorinated water-repellent coating finish; Hunza G does not disclose treatment details.

Waterproof or stain-proof treatment

Hunza G Square Neck One Piece Swimsuit

Hunza G

Square Neck One Piece Swimsuit

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

F
F · High PFAS

Skip until brand discloses water-repellent coating chemistry; legacy swimsuit finishes often used PFAS.

Waterproof or stain-proof treatment

Hunza G Brooke Swimsuit

Hunza G

Brooke Swimsuit

Nylon/polyamide blend swimwear with water-repellent coating finish

F
F · High PFAS

Higher PFAS risk due to waterproof treatment and brand silence on chemistry.

Waterproof or stain-proof treatment

Hunza G Katya

Hunza G

Hunza G Katya

Nylon blend with water-resistant treatment

F
F · High PFAS

Skip until brand discloses PFAS status of water-resistant treatment.

Waterproof or stain-proof treatment

Hunza G Sadie Swimsuit

Hunza G

Sadie Swimsuit

Nylon blend with water-repellent coating (water-repellent coating) finish

F
F · High PFAS

Skip until water-repellent coating treatment details are disclosed, likely PFAS-based but unconfirmed.

Waterproof or stain-proof treatment

Hunza G Coverage Square Neck One-Piece

Hunza G

Coverage Square Neck One-Piece

Nylon blend with water-repellent coating finish (likely fluorinated)

F
F · High PFAS

Higher PFAS risk likely due to water-repellent coating treatment; brand provides no disclosure or PFAS commitment.

Waterproof or stain-proof treatment

Reiss Women's Nadine Halterneck Pleat-Detail Swimsuit

Reiss

Women's Nadine Halterneck Pleat-Detail Swimsuit

Nylon/polyester blend with likely water-repellent coating finish

F
F · High PFAS

Skip until Reiss discloses water-repellent coating chemistry or commits to PFAS-free treatment.

Waterproof or stain-proof treatment

COS Women's Bonded-Scuba V-Neck Swimsuit

COS

Women's Bonded-Scuba V-Neck Swimsuit

Polyester scuba-knit bonded fabric with likely water-repellent coating finishing

F
F · High PFAS

Skip until COS discloses water-repellent coating treatment chemistry or certifies PFAS-free.

Waterproof or stain-proof treatment

Reformation Wailea One Piece Swimsuit

Reformation

Wailea One Piece Swimsuit

Nylon blend with water-repellent coating treatment (likely PFAS-based)

F
F · High PFAS

Skip until Reformation discloses water-repellent coating chemistry or switches to PFAS-free treatments.

Waterproof or stain-proof treatment

Reformation Women's Rio One-Piece Swimsuit

Reformation

Women's Rio One-Piece Swimsuit

Nylon/spandex blend with likely water-repellent coating finish

F
F · High PFAS

Skip unless Reformation discloses water-repellent coating chemistry, swimwear water-repellency often involves PFAS.

Waterproof or stain-proof treatment

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