Kelty · Waterproof Outdoor Gear Storage Bags
Kelty Warbler Pack
water-repellent coating probably contains PFAS; Kelty discloses nothing.
Nylon and polyester ripstop with water-resistant water-repellent coating form the Warbler Pack. Kelty makes no PFAS claims or disclosures.
Still want this one anyway? Check the price on Amazon. We’d swap it.
Material
Nylon/polyester ripstop with water-repellent coating water-resistant coating
Lab data
No public lab test
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What Kelty Warbler Pack is made of, ingredients and materials
The Warbler Pack uses nylon and polyester ripstop fabrics, which are durable synthetics resistant to tearing and abrasion. The water-repellent coating (water-repellent coating) coating applied to these materials is the primary chemical concern. Modern water-repellent coating treatments often rely on fluorinated compounds (PFAS) to achieve water resistance, though non-fluorinated alternatives exist. Kelty has not disclosed the specific water-repellent coating chemistry, leaving the PFAS status unclear for this model.
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
Kelty has not disclosed whether the water-repellent coating treatment on this pack uses fluorinated or non-fluorinated compounds. Given the product's outdoor durability claims and lack of explicit non-fluorine commitment, a fluorinated (PFAS-based) treatment is statistically likely but unconfirmed.
Source, ATSDR ↗Antimony in polyester
Antimony trioxide is a common catalyst in polyester production and may remain in the finished fabric at low residual levels. No specific testing or disclosure from Kelty exists; this is a category-level risk for all polyester textiles, not unique to this pack.
Coating degradation and microparticle shedding
Repeated washing, UV exposure, and mechanical abrasion will gradually degrade the water-repellent coating finish. As the coating flakes or peels, small particles may shed; composition of these particles and their behavior in the environment depend on the undisclosed coating chemistry.
What’s reassuring
Azo dyes in synthetic fabrics
No documented azo dye concerns or recalls exist for Kelty packs. Nylon and polyester ripstop are typically dyed with reactive or disperse dyes; restricted azo dyes are not an established hazard in this brand or product line.
Formaldehyde / VOCs
No formaldehyde-release concerns have been documented for Kelty outdoor packs. water-repellent coating coatings and water-resistant treatments do not typically rely on formaldehyde chemistry as a primary mechanism.
Source, ATSDR ↗How is this PFAS grade calculated?
The brand's record and disclosure
Kelty, owned by Johnson Outdoor, has not made public commitments to phasing out PFAS in apparel or published detailed chemical disclosure for specific products. The company does not appear in major transparency initiatives (e.g., Greenpeace detox campaigns) for this hazard class. Industry standard for outdoor gear brands has shifted toward disclosure in recent years, making Kelty's silence on water-repellent coating treatment a notable gap. No recalls or documented chemical controversies specific to Kelty packs have been widely reported.
How it compares in its category
Outdoor packs across the market typically use water-repellent coating-treated fabrics; most major brands (Arc'teryx, Patagonia, The North Face) now disclose or commit to reducing PFAS. Kelty sits in the mid-range of transparency, offering no worse baseline than many legacy outdoor brands but lagging leaders in voluntary chemical disclosure. The nylon-polyester construction itself is standard and not inherently riskier than competitors; the differentiation lies in chemical transparency.
If you buy it
Avoid machine washing or high-heat drying, which can accelerate coating degradation and potentially increase leaching of finish chemicals. Hand wash with mild soap and air dry to extend water-repellent coating performance and reduce exposure. Re-apply commercial water-repellent coating treatments (many now fluorine-free) every 1-2 years if water beading diminishes. Store in a cool, dry place away from direct sunlight, which degrades synthetic fabrics and coatings over time.
What is not known about PFAS in this product?
- Basis
- Model estimate, 45% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Kelty has made a specific claim
Formulations change between production runs, so check the current label. How we grade.
What are the PFAS-free alternatives to Kelty Warbler Pack?
- Polypropylene storage bin, no water-resistant coating mentioned
- UV degradation and additive leaching
3 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon
- Nylon, polyester, cotton blend; details unspecified
- Volatile organic compounds (VOCs) from polyester and nylon manufacturing
5 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon
- Recycled polyester with water-repellent coating (water-repellent coating) finish
- The brand calls it PFAS-free, which we have not verified
- PFAS
4 hazards checked on this product, all on its full breakdown.
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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.