ALPS Mountaineering · Waterproof Gear Storage Bags
ALPS OutdoorZ High Caliber Duffel Bag
Duffel bags typically use water-repellent coating coatings; ALPS discloses nothing about PFAS.
ALPS OutdoorZ duffel bags are outdoor gear likely treated with water-repellent coating. Brand provides no PFAS transparency or certifications; standard water-repellent coating treatments often contain PFAS. Insufficient public data to confirm specific formulation.
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Material
Nylon/polyester with water-repellent coating water treatment
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
other 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 High Caliber Duffel combines nylon and polyester fabrics, both synthetic polymers chosen for strength and water resistance. ALPS applies a water-repellent coating (water-repellent coating) finish to the exterior; these coatings historically relied on PFAS chemistry, though newer non-PFAS alternatives now exist. Neither nylon nor polyester themselves leaches hazardous chemicals under normal use, but the water-repellent coating treatment remains the material concern. The bag contains no known PVC, phthalate plasticizers, or azo dyes in the base fabric.
The brand's record and disclosure
ALPS Mountaineering has not published a PFAS disclosure statement, supply-chain transparency report, or certification (e.g., BLUESIGN, OEKO-TEX) for this product line. The company does not advertise PFAS-free status or alternative water-repellent coating chemistry. No recalls or safety controversies involving ALPS duffel bags are on public record. Absence of disclosure does not confirm PFAS presence, but it prevents informed assessment of the water treatment.
How it compares in its category
Outdoor duffel bags typically use nylon-polyester blends with water-repellent coating coatings; ALPS' construction and pricing are standard for this segment. Competitors like Patagonia and Arc'teryx have begun disclosing PFAS avoidance or use of wax-based coatings, setting a higher transparency benchmark. ALPS has not matched this practice, placing it in the middle of the market on disclosure but not on hazard exposure, which remains uncertain. The actual durability and water resistance of the High Caliber are well-regarded, suggesting the water-repellent coating is effective whether PFAS or not.
If you buy it
Air dry the bag away from direct heat or flame; do not tumble dry or machine wash, as agitation can degrade the water-repellent coating. Store in a cool, dry place to extend coating life and prevent mold growth in folds. The water-repellent coating finish will diminish over 2-4 years with heavy use; reapply a commercial water-repellent coating spray (follow product instructions) or retire the bag. If PFAS presence concerns you, contact ALPS directly to request material safety data before purchase.
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 composition (PFAS status unknown)
ALPS does not disclose whether the water-repellent finish uses PFAS-based or alternative chemistry. Standard industry practice has historically favored PFAS, but absence of transparency does not confirm it. Request material specifications from the manufacturer if this is a decision factor.
Microplastic shedding from synthetic fibers
Nylon and polyester fabrics can shed microfibers during washing or abrasion. For a duffel bag, shedding is minimal under normal use (dry storage, occasional wiping), and no reported incidents exist. Risk rises only if the bag is machine washed frequently or used as apparel.
Heavy metals in pigments or dyes
No testing or recalls document lead, cadmium, or other heavy metals in ALPS duffel colorants. Commercial nylon-polyester bags sold in North America are typically subject to informal compliance with textile safety standards, but specific testing data for this model is not public.
Flame retardant chemicals in fabric or stitching
The High Caliber Duffel is not marketed as flame-resistant and carries no FR certification. Outdoor gear bags do not routinely receive flame-retardant treatment, so none is expected. No hazard is documented.
Mold and bacterial growth in storage
Duffel bags stored damp or in humid conditions can develop mold within seams and folds. This is a hygiene issue rather than a chemical hazard, but it can degrade the coating and fabric. Ensure the bag is fully dry before storage and keep it in a ventilated space.
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.
More waterproof gear storage 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.