F

Is Marks & Spencer PFAS-free?

Across 13 graded products, Marks & Spencer averages F (51/100). On disclosure, the brand says nothing publicly about PFAS. None of its products grade C or better yet. Grades are model-based estimates, not lab results.

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

Marks & Spencer Loose Fit Pure Cotton Rigid Jeans

Marks & Spencer

Loose Fit Pure Cotton Rigid Jeans

100% cotton denim, rigid finish (no water-repellent coating treatment disclosed)

D
D · Elevated

Lower concern; pure cotton rigid jeans with no waterproofing or stain treatments mentioned.

Risky category by default

M&S Marks & Spencer Straight Fit Vintage Wash Stretch Jeans

Marks & Spencer

M&S Marks & Spencer Straight Fit Vintage Wash Stretch Jeans

cotton/polyester blend with stretch (likely elastane)

D
D · Elevated

Lower PFAS concern; standard denim with no disclosed water/stain treatments.

Risky category by default

Marks & Spencer Straight Fit Lightweight Soft Touch Jeans

Marks & Spencer

Straight Fit Lightweight Soft Touch Jeans

cotton-blend denim (primary fibers)

D
D · Elevated

Lower PFAS concern for basic denim; no water-repellent coating finish signals detected, but M&S makes no public PFAS disclosure.

Risky category by default

Marks & Spencer Straight Fit Stretch Jeans

Marks & Spencer

Straight Fit Stretch Jeans

Cotton-elastane blend, no fluorinated finishes disclosed

D
D · Elevated

Lower concern, basic stretch denim with no water-repellent finish, but M&S discloses nothing about PFAS practices.

Risky category by default

Marks & Spencer Eva Bootcut Jeans

Marks & Spencer

Eva Bootcut Jeans

cotton/cotton-blend denim

D
D · Elevated

Lower PFAS concern, basic cotton denim with no chemical finish disclosed.

Risky category by default

Marks & Spencer High Waisted Stovepipe Straight Leg Jeans

Marks & Spencer

High Waisted Stovepipe Straight Leg Jeans

cotton denim

D
D · Elevated

Lower concern, plain cotton denim with no reported PFAS treatments, but M&S doesn't disclose finish details.

Risky category by default

Marks & Spencer Sienna Supersoft High Waisted Jeans

Marks & Spencer

Sienna Supersoft High Waisted Jeans

cotton denim

D
D · Elevated

Lower concern for PFAS; basic denim with no known water-resistant treatment.

Risky category by default

Marks & Spencer Non Wired Sports First Bra

Marks & Spencer

Non Wired Sports First Bra

polyamide, elastane blend

D
F
PFASAll
D · Elevated4 flags

Lower concern. Typical sports bra with no known PFAS triggers.

Risky category by default

Marks & Spencer Reversible Seamless Sports Bra

Marks & Spencer

Reversible Seamless Sports Bra

Nylon blend with elastane, seamless construction

D
F
PFASAll
D · Elevated4 flags

Lower concern. Seamless sports bra uses standard athletic textiles.

Risky category by default

Marks & Spencer Straight Fit Jeans with Stormwear

Marks & Spencer

Straight Fit Jeans with Stormwear

Cotton denim with Stormwear water-repellent treatment

F
F · High PFAS

Skip until M&S discloses Stormwear chemistry, water-repellent treatments commonly use PFAS.

Waterproof or stain-proof treatment

Marks & Spencer Ultimate Support Non Wired Sports First Bra

Marks & Spencer

Ultimate Support Non Wired Sports First Bra

Polyamide, elastane with likely water-repellent coating treatment

F
F
PFASAll
F · High PFAS3 flags

Moderate concern due to water-repellent coating finish; M&S disclosure unclear

Waterproof or stain-proof treatment

Marks & Spencer Flexifit Medium Support Sports Bra

Marks & Spencer

Flexifit Medium Support Sports Bra

Polyester/elastane blend with water-repellent coating treatment

F
F
PFASAll
F · High PFAS5 flags

Sports bra likely treated with water-repellent coating; Marks & Spencer silent on PFAS composition.

Waterproof or stain-proof treatment

Marks & Spencer Second Skin Gel Sports Bra

Marks & Spencer

Second Skin Gel Sports Bra

nylon elastane blend with moisture-wicking gel coating

F
F
PFASAll
F · High PFAS2 flags

Skip until M&S discloses gel coating composition and water treatment.

Waterproof or stain-proof treatment

Every grade uses the same public rubric. How grades work →