MSR · Waterproof Outdoor Gear Bags
NRS Outfitter Dry Bag
Dry bag with waterproof coating; PFAS status unclear from brand
NRS Outfitter dry bags use waterproof-treated materials typical of marine gear, but brand disclosure on PFAS in coatings is absent. Standard water-repellent coating treatments often contain PFAS; verification unavailable.
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Material
TPU-lined nylon, waterproof coating unspecified
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
Waterproof / stain-resistant treatment
water-repellent coating treatments have historically used PFAS.
Category baseline
clothing is a category where PFAS exposure is more common.
No PFAS disclosure
No public statement about PFAS in this product.
The full breakdown
What it's made of and why it matters
The NRS Outfitter uses TPU (thermoplastic polyurethane) lining bonded to nylon fabric. TPU itself is not known to leach concerning chemicals under normal use, but the waterproof coating applied to achieve dry-bag performance is unspecified by the brand. Waterproof coatings on textiles historically relied on PFAS (PFAS "forever chemicals") for water repellency, though newer non-PFAS alternatives exist. Without transparency from MSR/NRS about which coating is used, the PFAS risk profile remains unclear.
The brand's record and disclosure
NRS (Northwest River Supplies, now owned by MSR/Cascade Designs) has not publicly disclosed coating chemistry or PFAS commitment for this product line as of available records. MSR/Cascade Designs has not published comprehensive PFAS phase-out timelines or third-party certifications for waterproof apparel. This silence is notable in a market where competitors like Patagonia have begun disclosing PFAS use and transition strategies. The lack of transparent testing or certification suggests either legacy coating formulations or unwillingness to differentiate on this issue.
How it compares in its category
Dry bags are a niche within textiles; most commercial waterproof bags (including those from Ortlieb, Sea to Summit, and basic PVC alternatives) face the same PFAS uncertainty unless brands explicitly state otherwise. TPU-lined bags are mid-tier in durability and cost compared to sealed PVC or advanced Teflon-family coating coatings. NRS bags are respected for ruggedness but not known for environmental or chemical transparency leadership. Consumers seeking verified PFAS-free options will find few dry bags with transparent testing.
If you buy it
Store in a cool, dry place away from direct sunlight; prolonged UV exposure can degrade TPU and nylon fibers over years. Do not machine wash or expose to temperatures above 60 degrees Celsius, as heat can stress the TPU bond and potentially release trace leachables if the coating breaks down. Inspect seams and the lining regularly for tears or delamination; once compromised, water seepage may cause mold or mildew inside. Allow to air dry completely after use to prevent bacterial growth and odor inside the bag.
Beyond PFAS: other things we checked
Established hazard classes for this product type, assessed from public information. These never change the PFAS grade; a Likely flag caps the Verdict at “Buy with care.”
Waterproof coating composition (PFAS or substitute)
The specific waterproof coating on the NRS Outfitter is not disclosed. If legacy PFAS is used, prolonged skin contact or laundering could expose users to persistent chemicals. If a non-PFAS alternative is used, brand silence suggests lack of differentiation or confidence in marketing the choice.
TPU bond degradation and leaching
TPU itself is not documented to leach hazardous substances under normal storage or use. However, if the TPU-to-nylon bond degrades from UV, heat, or mechanical stress over years, trace volatile compounds or degradation byproducts are theoretically possible but not established as a consumer risk for this product.
Formaldehyde resins in finishing (nylon cross-linking)
Nylon fabric finishes sometimes use formaldehyde-based resins for wrinkle resistance or water repellency enhancement. NRS does not specify finishes, and TPU lining may obviate traditional formaldehyde resin treatments. No recalls or complaints on record for this product suggest formaldehyde is not a disclosed concern.
Bacterial or mold growth if not dried
Dry bags that retain moisture inside create conditions for bacterial and mold colonization. This is a use-dependent risk, not a material hazard, but user reviews and product forums document odor and mildew issues with inadequate drying practices on waterproof bags including NRS models.
Azo dyes in nylon fabric
Nylon can be dyed with azo compounds linked to allergic sensitization and dermatitis in susceptible individuals. NRS does not disclose dye chemistry. No complaints or recalls specific to this product suggest azo dyes are not a recognized issue, though sensitive users should test contact tolerance.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 45% confidence. It is not a lab result.
No independent PFAS lab test is on record for this exact product. A lab test could move the score in either direction.
The brand has not made a specific, verifiable PFAS-free statement, so part of this score reflects that missing disclosure rather than a confirmed material.
Formulations and coatings change between production runs. Always check the current label before buying.
Safer alternatives in Waterproof Outdoor Gear Bags
Marmot
Tool Box
Nylon, polyester, cotton blend; details unspecified
Toolbox, not garment. Check product specs for water-repellent coating.
⚠Risky category by default
More waterproof outdoor gear bags 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.