Granite Gear · Waterproof Outdoor Bags
Granite Gear Superior One Portage Pack
Pack has water-repellent coating treatment; PFAS status unclear from brand.
Granite Gear does not publicly disclose PFAS in this portage pack's water-repellent coating. Contact brand for specific water-repellent coating chemistry details before purchase.
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Material
Nylon pack fabric with water-repellent coating
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 Granite Gear Superior One uses nylon pack fabric with a water-repellent coating (water-repellent coating) coating applied to the exterior. Nylon itself is a stable synthetic polymer with no established leaching hazards under normal use. The water-repellent coating treatment is the chemical variable: historically, many water-repellent coating coatings relied on PFAS (PFAS "forever chemicals"), though some manufacturers have shifted to PFAS-free alternatives. Without explicit brand disclosure, the specific water-repellent coating chemistry here is unknown.
The brand's record and disclosure
Granite Gear does not publicly disclose water-repellent coating chemistry, PFAS status, or third-party testing for this model. The brand has no widely documented commitments to PFAS phase-out or safer alternatives comparable to major outdoor manufacturers (e.g., The North Face, Patagonia). No product-specific recalls or contamination reports are on record for this pack. The silence on chemical inputs is a transparency gap for a consumer product with intentional protective coating.
How it compares in its category
Portage packs are typically nylon or polyester with water-repellent coating finishes; the Granite Gear Superior One is mid-range in the category. Competitors like REI Co-op packs and some premium brands now explicitly disclose PFAS-free or PFAS-reduced water-repellent coating options. The Superior One's lack of chemical transparency puts it behind brands with documented PFAS commitments. For durability and weather resistance, nylon water-repellent coating packs are industry standard and generally lower-risk than some alternatives.
If you buy it
Store and use the pack at room temperature; no heat or microwave exposure is relevant. Wash by hand with mild soap and cool water if needed, avoiding harsh detergents that may degrade the water-repellent coating prematurely. The water-repellent coating will diminish over time with use and washing; reapplication kits are available but their chemistry may also be unknown. If water-repellent coating chemical composition is a concern, contact Granite Gear directly for specifics before purchase, as the company's responsiveness to such queries varies.
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.”
water-repellent coating chemistry (non-PFAS assessment)
Coating composition is not disclosed. If it contains PFAS alternatives (siloxanes, fluorocarbon-free resins), skin contact risk is low but off-gassing in storage is theoretically possible. Standard nylon contact poses no known hazard.
Azo dyes in nylon fabric
No product-specific reports of azo dye use or restricted dyes in Granite Gear packs. Nylon in outdoor packs is rarely processed with high-risk azo colorants, but brand dye sourcing is not publicly documented.
Formaldehyde or formaldehyde releasers in fabric treatment
No evidence of formaldehyde-based wrinkle resistance or antimicrobial treatment in this pack model. Nylon portage packs do not typically require such finishes.
Flame retardants in webbing or straps
Portage pack components (nylon webbing, straps) are not subject to flammability standards requiring flame retardants. No reports of such additives in Granite Gear packs.
Heavy metals in pack dyes or hardware
No documented contamination in Granite Gear products. Typical nylon pack dyes and aluminum/plastic hardware do not routinely carry lead or cadmium, but full supplier chain transparency is not public.
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 Bags
Granite Gear
Wrought Iron Food Pack
nylon fabric pack, likely uncoated or minimally treated
Food pack likely lower concern; confirm no water-repellent coating with brand.
⚠Risky category by default
More waterproof outdoor 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.