F

Is Mammut PFAS-free?

Across 51 graded products, Mammut averages F (20/100). 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

Mammut Eiger Free Waterproof Leather Gloves

Mammut

Eiger Free Waterproof Leather Gloves

Leather with waterproof treatment (coating unspecified)

F
F · High PFAS

Skip unless Mammut confirms PFAS-free water-repellent coating treatment in writing.

Waterproof or stain-proof treatment

Mammut Shelter Gloves with Foldable Fingertips

Mammut

Shelter Gloves with Foldable Fingertips

Synthetic shell (likely polyamide/nylon) with water-repellent coating water-repellent treatment

F
F · High PFAS

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

Waterproof or stain-proof treatment

Mammut Stoney Glove

Mammut

Stoney Glove

Synthetic textile with water-repellent coating (water-repellent coating) treatment

F
F · High PFAS

Skip or contact Mammut directly, waterproof gloves typically use PFAS-based water-repellent coating, but the brand discloses nothing.

Waterproof or stain-proof treatment

Mammut Eiger Nordwand Pro 2 in 1 Glove

Mammut

Eiger Nordwand Pro 2 in 1 Glove

Polyamide shell with water-repellent coating water-repellent finish; leather/synthetic palm

F
F · High PFAS

Mammut does not disclose PFAS treatment; water-repellent coating gloves carry inherent risk without transparency.

Waterproof or stain-proof treatment

Mammut Astro Guide Glove

Mammut

Astro Guide Glove

synthetic insulation + polyamide shell with water-resistant treatment

F
F · High PFAS

Unknown PFAS risk; Mammut provides no public disclosure on water-repellent coating chemistry.

Waterproof or stain-proof treatment

gloves Mammut Astro Light SO Glove

Mammut

gloves Mammut Astro Light SO Glove

Synthetic shell with water-repellent coating water-repellent treatment

F
F · High PFAS

Skip until Mammut discloses water-repellent coating chemistry; PFAS risk in outdoor glove coatings is real.

Waterproof or stain-proof treatment

Mammut Arctic Mitten

Mammut

Arctic Mitten

Synthetic insulation with water-resistant shell coating

F
F · High PFAS

Skip until Mammut discloses water-repellent coating treatment chemistry or provides PFAS testing.

Waterproof or stain-proof treatment

Mammut Men's Astro Gloves

Mammut

Men's Astro Gloves

Synthetic insulation, polyamide shell with water-repellent coating finish

F
F · High PFAS

Unclear PFAS status; Mammut does not disclose water-repellent coating chemistry, skip if PFAS-avoidance is a priority.

Waterproof or stain-proof treatment

Mammut Men's Mammut Outdoor HS Hooded Jacket

Mammut

Men's Mammut Outdoor HS Hooded Jacket

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

F
F · High PFAS

Skip or contact Mammut directly, water-repellent coating-treated jacket with no PFAS disclosure raises concern.

Waterproof or stain-proof treatment

Mammut Men's Stoney HS Thermo Hooded Ski Jacket

Mammut

Men's Stoney HS Thermo Hooded Ski Jacket

Polyamide outer with water-repellent coating finish (composition unspecified)

F
F · High PFAS

Ski jackets use water-repellent coating coatings; Mammut's PFAS policy is unclear, proceed with caution if PFAS avoidance matters.

Waterproof or stain-proof treatment

Mammut Men's Stoney HS Hooded Ski Jacket

Mammut

Men's Stoney HS Hooded Ski Jacket

Polyester with water-repellent coating waterproof treatment

F
F · High PFAS

Ski jacket with water-repellent coating finish, waterproofing chemicals unspecified; Mammut silent on PFAS.

Waterproof or stain-proof treatment

All- Mountain Performance Men's Mtn. Pro 2.0 HS Hooded Jacket

Mammut

All- Mountain Performance Men's Mtn. Pro 2.0 HS Hooded Jacket

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

F
F · High PFAS

Skip or request PFAS disclosure, premium outdoor jacket likely treated with fluorinated water-repellent coating, but Mammut provides no transparency.

Waterproof or stain-proof treatment

Mammut Alto Light HS Hooded Jacket Men's

Mammut

Alto Light HS Hooded Jacket Men's

HS (Hybrid Shell) fabric with water-repellent coating

F
F · High PFAS

Skip until Mammut discloses water-repellent coating chemistry; waterproof jackets commonly use PFAS-based treatments.

Waterproof or stain-proof treatment

Mammut Stoney HS Jacket Men's

Mammut

Stoney HS Jacket Men's

Gore-Tex laminate (Teflon-type coating-based), polyester shell

F
F · High PFAS

Skip or contact brand for PFAS commitment; Gore-Tex traditionally uses PFFE but Mammut hasn't confirmed their water-repellent coating approach.

Waterproof or stain-proof treatment

Mammut Eiger Free Pro HS Hooded Jacket Men

Mammut

Eiger Free Pro HS Hooded Jacket Men

Polyester ripstop outer with waterproof water-repellent coating

F
F · High PFAS

Higher PFAS risk due to waterproof coating; Mammut does not disclose treatment chemistry.

Waterproof or stain-proof treatment

Mammut Men's Treeline HS Thermo Hooded Down Jacket

Mammut

Men's Treeline HS Thermo Hooded Down Jacket

Down insulation with synthetic shell (nylon); water-repellent coating (water-repellent coating) finish

F
F · High PFAS

Down jackets typically use water-repellent coating coatings, Mammut's silence on PFAS chemistry leaves moderate concern.

Waterproof or stain-proof treatment

Mammut Men's Stoney HS Pants

Mammut

Men's Stoney HS Pants

Nylon with water-repellent coating (water-repellent coating) treatment

F
F · High PFAS

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

Waterproof or stain-proof treatment

Mammut Stoney HS Pants Men

Mammut

Stoney HS Pants Men

nylon/polyamide with water-repellent coating treatment

F
F · High PFAS

Skip until Mammut discloses water-repellent coating chemistry; waterproof pants typically use PFAS.

Waterproof or stain-proof treatment

Mammut Men's Runbold Winter Softshell Hiking Pants

Mammut

Men's Runbold Winter Softshell Hiking Pants

polyester softshell with water-repellent coating water-repellent treatment

F
F · High PFAS

Skip until Mammut discloses water-repellent coating chemistry or pursues PFAS-free certification.

Waterproof or stain-proof treatment

Mammut Taiss Guide SO Pants Men

Mammut

Taiss Guide SO Pants Men

Nylon with water-repellent coating (water-repellent coating) treatment

F
F · High PFAS

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

Waterproof or stain-proof treatment

Men Mammut Fall Line HS Thermo Pant

Mammut

Men Mammut Fall Line HS Thermo Pant

Polyamide/nylon with water-repellent coating (water-repellent coating) treatment; thermal insulation layer

F
F · High PFAS

Skip until Mammut clarifies water-repellent coating chemistry, legacy thermal pants often use PFAS-based water repellents.

Waterproof or stain-proof treatment

All-mountain Men's Stoney HS Thermo Insulated Ski Pants

Mammut

All-mountain Men's Stoney HS Thermo Insulated Ski Pants

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

F
F · High PFAS

Skip or verify, silent on water-repellent coating chemistry; Mammut has not disclosed PFAS policy for this product line.

Waterproof or stain-proof treatment

Mammut Men's Eiger Nordwand Advanced Softshell Mountaineering Pants

Mammut

Men's Eiger Nordwand Advanced Softshell Mountaineering Pants

Polyamide shell with water-repellent coating finish; treatment chemistry unspecified

F
F · High PFAS

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

Waterproof or stain-proof treatment

Mammut Men's Alto Light HS Waterproof Hardshell Pants

Mammut

Men's Alto Light HS Waterproof Hardshell Pants

Polyamide shell with water-repellent coating water-repellent finish

F
F · High PFAS

Waterproof hardshell pants carry inherent water-repellent coating risk; Mammut silent on PFAS treatment, skip if PFAS-concerned.

Waterproof or stain-proof treatment

Mammut Ultimate Comfort SO Hooded Jacket Men's

Mammut

Ultimate Comfort SO Hooded Jacket Men's

Polyamide shell with water-repellent coating water-repellent treatment (composition unspecified)

F
F · High PFAS

Higher PFAS risk due to waterproofing; Mammut does not disclose water-repellent coating chemistry.

Waterproof or stain-proof treatment

Mammut Ultimate VIII SO Jacket Men

Mammut

Ultimate VIII SO Jacket Men

Polyamide/nylon shell with water-repellent coating (water-repellent coating) finish

F
F · High PFAS

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

Waterproof or stain-proof treatment

Mammut Men's Eiger Nordwand Pro Softshell Jacket

Mammut

Men's Eiger Nordwand Pro Softshell Jacket

Softshell with unspecified water-repellent coating (water-repellent coating) coating

F
F · High PFAS

Skip or contact Mammut directly, no PFAS disclosure on a water-repellent coating-treated outdoor jacket.

Waterproof or stain-proof treatment

Mammut Ultimate VIII SO Hooded Jacket Women

Mammut

Ultimate VIII SO Hooded Jacket Women

Polyester shell with water-repellent coating water-repellent treatment

F
F · High PFAS

Skip until Mammut discloses water-repellent coating chemistry or switches to PFAS-free alternatives.

Waterproof or stain-proof treatment

Woman Mammut GRANITE SO Hooded Jacket 1011

Mammut

Woman Mammut GRANITE SO Hooded Jacket 1011

Nylon/polyester with water-repellent coating

F
F · High PFAS

Moderate concern: Mammut offers no public PFAS disclosure on this waterproof hooded jacket; water-repellent coating-treated outdoor apparel commonly uses fluorinated compounds.

Waterproof or stain-proof treatment

Mammut Ultimate VIII SO Hooded Jacket Men

Mammut

Ultimate VIII SO Hooded Jacket Men

Nylon/polyester blend with water-repellent coating

F
F · High PFAS

Moderate risk: premium outdoor brand uses water-repellent coating treatments without disclosing PFAS status or alternatives.

Waterproof or stain-proof treatment

Mammut Women's Ultimate Comfort SO Hooded Jacket

Mammut

Women's Ultimate Comfort SO Hooded Jacket

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

F
F · High PFAS

Higher uncertainty, Mammut's water-repellent coating jacket likely uses fluorinated finish, but brand discloses nothing; skip if PFAS-avoidant.

Waterproof or stain-proof treatment

Mammut Women's Outdoor SO Hooded Jacket

Mammut

Women's Outdoor SO Hooded Jacket

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

F
F · High PFAS

Moderate concern, typical outdoor jacket with undisclosed water-repellent coating chemistry.

Waterproof or stain-proof treatment

Mammut Astro Guide SO Glove

Mammut

Astro Guide SO Glove

Nylon/polyester with water-repellent coating treatment (unspecified chemistry)

F
F · High PFAS

Skip until Mammut discloses water-repellent coating chemistry or pursue PFAS-free alternatives.

Waterproof or stain-proof treatment

Hiking Patrol X Mammut Light Pants

Mammut

Hiking Patrol X Mammut Light Pants

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

F
F · High PFAS

Skip or contact Mammut directly, waterproof outdoor pants likely use PFAS water-repellent coating unless explicitly stated otherwise.

Waterproof or stain-proof treatment

Mammut Men's Zip-Off Hiking Pants

Mammut

Men's Zip-Off Hiking Pants

Nylon/polyester blend with water-repellent coating finish

F
F · High PFAS

Higher PFAS risk due to likely water-repellent coating treatment; Mammut does not disclose chemistry.

Waterproof or stain-proof treatment

Mammut Men's Courmayeur Breathable Softshell Mountaineering Pants

Mammut

Men's Courmayeur Breathable Softshell Mountaineering Pants

Softshell with breathable water-repellent coating (unspecified chemistry)

F
F · High PFAS

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

Waterproof or stain-proof treatment

Mammut Men's Courmayeur Softshell Mountaineering Pants

Mammut

Men's Courmayeur Softshell Mountaineering Pants

Nylon/polyamide shell with water-repellent coating treatment

F
F · High PFAS

Moderate PFAS concern, typical mountaineering pants likely use legacy fluorinated water-repellent coating; Mammut has not disclosed details.

Waterproof or stain-proof treatment

Mammut Men's Workhorse Climbing Pants

Mammut

Men's Workhorse Climbing Pants

nylon blend with water-repellent coating finish

F
F · High PFAS

Skip until Mammut discloses water-repellent coating chemistry or adopts PFAS-free treatment.

Waterproof or stain-proof treatment

Mammut Men's Linard Light HS Waterproof Hardshell Pants

Mammut

Men's Linard Light HS Waterproof Hardshell Pants

Polyester/nylon shell with water-repellent coating waterproof treatment (unspecified)

F
F · High PFAS

Skip until Mammut discloses water-repellent coating chemistry or switches to verified PFAS-free waterproofing.

Waterproof or stain-proof treatment

Mammut Men's Runbold IV Multifunctional Hiking Pants

Mammut

Men's Runbold IV Multifunctional Hiking Pants

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

F
F · High PFAS

water-repellent coating hiking pants from established brand; PFAS risk present but unconfirmed, ask Mammut directly about treatment chemistry.

Waterproof or stain-proof treatment

Mammut Men's Massone Climbing Pants

Mammut

Men's Massone Climbing Pants

Nylon/polyester blend with water-repellent coating finish

F
F · High PFAS

Climbing pants with water-resistant finish; PFAS risk typical for water-repellent coating apparel, brand provides no transparency.

Waterproof or stain-proof treatment

Mammut Men's Linard Light HS Hooded Hiking Jacket

Mammut

Men's Linard Light HS Hooded Hiking Jacket

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

F
F · High PFAS

Skip until Mammut discloses water-repellent coating chemistry, waterproof jackets commonly use PFAS.

Waterproof or stain-proof treatment

Mammut Men's Crag HS Hooded Mountaineering Jacket

Mammut

Men's Crag HS Hooded Mountaineering Jacket

Nylon with water-repellent coating (water-repellent coating) finish; hood lining

F
F · High PFAS

High-performance mountaineering jacket with typical water-repellent coating, PFAS risk unresolved; Mammut has not disclosed water-repellent chemistry.

Waterproof or stain-proof treatment

Ultra-light Waterproof Hardshell Jacket

Mammut

Ultra-light Waterproof Hardshell Jacket

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

F
F · High PFAS

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

Waterproof or stain-proof treatment

Mammut Treeline HS Gore-tex Jacket Men

Mammut

Treeline HS Gore-tex Jacket Men

Gore-Tex membrane (Teflon-type coating-based Teflon-family coating laminate)

F
F · High PFAS

Skip unless you accept PFAS-based waterproofing; Mammut does not disclose PFAS status for this product.

Waterproof or stain-proof treatment

Mammut Men's Taiss Light HS Hooded Jacket

Mammut

Men's Taiss Light HS Hooded Jacket

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

F
F · High PFAS

Higher uncertainty, waterproof outerwear typically uses PFAS-based water-repellent coating; Mammut has not disclosed coating chemistry or made public PFAS commitments.

Waterproof or stain-proof treatment

Mammut Men's Alto Light HS Hooded Hiking Jacket

Mammut

Men's Alto Light HS Hooded Hiking Jacket

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

F
F · High PFAS

Skip unless Mammut discloses water-repellent coating chemistry; water-repellent hiking jackets commonly use PFAS.

Waterproof or stain-proof treatment

Linard Women's Light HS Multifunctional Waterproof Hardshell Pants

Mammut

Linard Women's Light HS Multifunctional Waterproof Hardshell Pants

Polyester hardshell with water-repellent coating (water-repellent coating) finish, coating type unspecified

F
F · High PFAS

Skip until Mammut discloses the water-repellent coating chemistry or commits to PFAS-free hardshells.

Waterproof or stain-proof treatment

Mammut Women's Alto Light HS Waterproof Hardshell Pants

Mammut

Women's Alto Light HS Waterproof Hardshell Pants

Polyester outer with water-repellent coating waterproof finish

F
F · High PFAS

Waterproof hardshell pants with unknown water-repellent coating chemistry, Mammut doesn't disclose PFAS status publicly.

Waterproof or stain-proof treatment

Mammut Eiger Nordwand Light Hs Gore-tex Pants Men

Mammut

Eiger Nordwand Light Hs Gore-tex Pants Men

Gore-Tex membrane laminate (Teflon-type coating-based)

F
F · High PFAS

Gore-Tex products carry inherent PFAS risk; Mammut does not disclose or commit to PFAS mitigation.

Waterproof or stain-proof treatment

Mammut Women's Eiger Nordwand Light HS Gore-tex Pants

Mammut

Women's Eiger Nordwand Light HS Gore-tex Pants

Gore-Tex membrane (ePTFE-based) with water-repellent coating

F
F · High PFAS

Skip if PFAS-conscious; Gore-Tex traditionally relies on PFAS-based water-repellent coating, but no public disclosure from Mammut.

Waterproof or stain-proof treatment

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