Mammut · Ski & Snowboard Jackets
Mammut Alto Light HS Hooded Jacket Men's
Skip until Mammut discloses water-repellent coating. Waterproof jackets commonly use PFAS.
Alto Light HS is a hardshell rain jacket with water-repellent coating. Mammut does not disclose specific water-repellent coating chemistry or PFAS-free status.
Still want this one anyway? Check the price on Amazon. We’d swap it.
Material
HS (Hybrid Shell) fabric with water-repellent coating
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
What Mammut Alto Light HS Hooded Jacket Men's is made of, ingredients and materials
The Alto Light HS uses a hybrid shell construction, typically combining a woven outer fabric (often polyester or nylon) with a stretchy inner backer or membrane for breathability. The water-repellent coating (water-repellent coating) finish applied to the outer layer is where chemical risk concentrates. Mammut does not publicly specify whether their water-repellent coating uses fluorinated (PFAS-based) or fluorine-free chemistry, which is the primary uncertainty in this jacket's safety profile.
What’s concerning
Category baseline
The starting point for this type of product, before anything specific to this product is counted.
No PFAS disclosure
No public statement from the brand about PFAS in this product.
Waterproof / stain-resistant treatment
Water-repellent coating treatments have historically used PFAS.
PFAS
Mammut does not disclose water-repellent coating chemistry; most commercial ski jackets of this type historically use C8 or newer fluorinated repellents. No independent test results for this specific jacket are publicly available.
Source, ATSDR ↗Microfiber shedding during use and washing
Synthetic ski jackets shed microplastics with every wear and wash. The hybrid shell construction does not prevent this; use of mesh laundry bags and cold washing minimizes shedding but does not eliminate it.
What’s reassuring
Formaldehyde / VOCs
No evidence of formaldehyde-based wrinkle finishes or dyes reported for Mammut ski jackets. Hybrid technical fabrics typically use resin-free finishing processes.
Source, ATSDR ↗Heavy metals
Mammut does not market use of restricted azo dyes; brand supply chain for dyed polyester and nylon is not documented to violate EU or oeko-tex limits. No substantiated testing or recalls exist.
Source, FDA ↗Antimony in polyester fibers
Antimony is a catalyst residue in polyester production; modern manufacturers including Mammut typically remove it to <250 ppm. No targeted concern for this jacket exists in public records.
The full breakdown
The brand's record and disclosure
Mammut, a Switzerland-based outdoor apparel company, has not published transparent information about water-repellent coating chemistry across its product lines, nor has it signed major textile chemical disclosure initiatives like the Bluesign or ZDHC commitments. The brand's website lacks detailed material safety data for most jackets. No recalls or substantiated safety incidents specific to Mammut waterproof jackets have been documented in public sources.
How it compares in its category
Most ski jackets in this mid-to-premium range use either fluorinated water-repellent coating (more durable, longer-lasting water resistance) or newer fluorine-free alternatives (less toxic, shorter effective lifespan). Competitors like Arc'teryx and Patagonia increasingly disclose water-repellent coating type; Mammut's silence puts it in the middle of the transparency spectrum. The hybrid shell design itself is standard and carries no known elevated hazard versus full membrane alternatives.
If you buy it
Wash only when visibly soiled and use cool water with minimal detergent; hot water and heavy agitation can degrade both the water-repellent coating and hybrid construction. Do not dry-clean or use fabric softener. Air dry or low heat tumble only. The water-repellent coating will degrade over 100-200 washes; when water no longer beads on the outer surface, re-treatment or replacement is needed. Store in a dry place away from direct heat to extend membrane integrity.
What we don’t know
- Basis
- Model estimate, 42% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Mammut has made none
Formulations change between production runs, so check the current label. How we grade.
Better-graded alternatives in Ski & Snowboard Jackets
Allbirds
Jackets & Coats Allbirds Full Zip Wool Blend Puffer Jacket Women Size Small
- Wool blend with synthetic fill (likely polyester)
- We found no PFAS statement from the brand
- water-repellent coating (water-repellent coating) coating composition
3 hazards checked on this product. See all of them.
Allbirds
Jackets & Coats Allbirds Men's Trino Puffer Jacket Full Zip Wool Blend Forest Green Coat Size Sm
- wool blend (natural fiber dominant)
- We found no PFAS statement from the brand
- water-repellent coating (water-repellent coating) treatment - undisclosed chemistry
2 hazards checked on this product. See all of them.
Allbirds
NWT Womens Medium Green Natural Run Mid Layer 1/4 Zip Jacket
- Merino wool blend (natural fiber)
- We found no PFAS statement from the brand
- Azo dyes and synthetic dye residue
3 hazards checked on this product. See all of them.
More ski & snowboard jackets grades
How we score, every product runs through the same public 0-100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.