Patagonia Women's Torrentshell 3L Pants
A water-repellent or grease-resistant treatment of unstated chemistry, with a brand PFAS statement we have not verified.
Patagonia says 100% of its new products from Spring 2025 are made without intentionally added PFAS. We record that as an unverified brand claim. Its record describes a water-repellent or grease-resistant treatment of unstated chemistry, which is still counted.
Brand says: “Patagonia says 100% of its new products from Spring 2025 are made without intentionally added PFAS.”
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Material
Nylon with water-repellent coating water-repellent coating finish
Brand disclosure
Brand claims PFAS-free
Lab data
No public lab test
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What Patagonia Women's Torrentshell 3L Pants is made of, ingredients and materials
Torrentshell 3L uses nylon as the base fabric, a synthetic polyamide known for durability and water resistance. The critical component is the water-repellent coating (water-repellent coating) finish applied to the outer layer. Patagonia states PFAS-free treatment but does not name the specific chemistry, meaning the exact water-repellent compound is unknown to consumers. Nylon itself is stable in normal use, but the finish degrades with washing and wear, requiring periodic reapplication.
What’s concerning
Category baseline
The starting point for this type of product, before anything specific to this product is counted.
Waterproof / stain-resistant treatment
Water-repellent coating treatments have historically used PFAS.
water-repellent coating finish composition (unstated chemistry)
Patagonia claims PFAS-free water-repellent coating but has not published the specific chemical used or independent verification. Alternative water-repellent coating polymers (Teflon-family coating, siloxanes, wax-based) carry different safety profiles; without disclosure, consumer risk assessment is incomplete.
VOC off-gassing from fabric and finish
New synthetic rain garments may release volatile organic compounds from solvents used in water-repellent coating application or coating. Off-gassing is typically mild and resolves within days of airing; not a long-term health hazard but may be noticed on first wear.
What’s reassuring
Brand-stated PFAS-free
The brand states this product is PFAS-free. We have not verified the claim.
Nylon polyamide degradation
Nylon does not leach harmful compounds under normal wear or washing. UV exposure and high heat can degrade the polymer, but rain pants are not typically heated and are worn over other clothing, minimizing this risk.
Formaldehyde / VOCs
No public reports link Patagonia Torrentshell finishes to formaldehyde-releasing additives. However, nylon production and dyeing may involve formaldehyde-based resins as cross-linkers; Patagonia does not disclose this detail.
Source, ATSDR ↗Heavy metals
Patagonia Torrentshell 3L is typically available in muted, solid colors (black, gray, tan) that do not require heavy pigmentation. No recalls or public concerns about azo dyes or cadmium in this product line are on record.
Source, FDA ↗How is this PFAS grade calculated?
The brand's record and disclosure
Patagonia made a PFAS-free commitment in 2020 and markets Torrentshell 3L under that claim, but independent verification of the water-repellent coating formulation is not publicly available. The brand has a strong reputation for environmental responsibility and repair services (Worn Wear program), which extends product life and reduces waste. However, absence of published lab testing or third-party certification for this specific garment creates uncertainty about the actual water-repellent coating chemistry used.
How it compares in its category
Many rain pants still use PFOA or PFAS-based water-repellent coating finishes, making Patagonia's stated PFAS-free approach a relative strength in the category. Synthetic materials dominate rain gear because natural fibers (wool, cotton) lack inherent water repellency. Competitors like Arc'teryx and REI Co-op brands also claim PFAS-free water-repellent coating but face similar transparency gaps. Nylon rain pants are a standard choice; the differentiator is water-repellent coating treatment verifiability.
If you buy it
Wash in cool water with a technical fabric cleaner (Nikwax or equivalent) designed to preserve water-repellent coating performance; avoid hot water and standard detergent, which strip the finish. water-repellent coating degrades after 15-30 washes; reapply annually or when water no longer beads on the surface. Store in a cool, dry place to prevent nylon degradation from UV and humidity. Use Patagonia's repair service for tears or seam failures rather than replacing, maximizing the lifespan of this durable garment.
What is not known about PFAS in this product?
- Basis
- Model estimate, 72% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Patagonia has made a specific claim
Formulations change between production runs, so check the current label. How we grade.
More rain pants 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.