EVOC · Waterproof Outdoor Gear
EVOC Stage 12 Backpack
Typical outdoor pack with waterproof coating; PFAS status unclear.
EVOC does not disclose PFAS information for this backpack. water-repellent coating finishes commonly contain fluorinated compounds, though some modern alternatives exist. Direct inquiry with the brand is recommended.
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Material
Nylon and polyester 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 Stage 12 uses nylon and polyester as its primary shell fabrics, both petroleum-derived synthetics with established safety profiles in apparel. The water-repellent coating (water-repellent coating) coating applied to the exterior is the material variable: these coatings historically relied on fluorinated compounds (PFAS), though some brands have begun transitioning to alternatives. Without EVOC's explicit material disclosure, the specific fluorine chemistry of this pack's treatment remains unclear. Polyester and nylon themselves do not off-gas significant volatile organic compounds (VOCs) or release formaldehyde resins under normal use.
The brand's record and disclosure
EVOC, a Munich-based outdoor equipment maker, does not maintain a publicly available materials transparency database or detailed PFAS avoidance statement. The brand has not announced a phase-out of fluorinated water-repellent coating treatments, nor has it appeared in major outdoor-industry PFAS-free commitments (e.g., Outdoor Industry Association guidelines). No significant product safety recalls or controversies involving this specific backpack model are documented in public sources. Their silence on water-repellent coating chemistry is typical of many mid-market outdoor brands but reflects lower transparency than leaders like Patagonia or The North Face.
How it compares in its category
Day packs in this size class (12L) routinely use nylon/polyester shells with water-repellent coating coatings; EVOC's construction is standard. The Stage 12 does not stand out as exceptionally safer or riskier than comparable packs from Arc'teryx, Gregory, or Deuter on material composition alone. Brands explicitly marketing PFAS-free water-repellent coating (e.g., Patagonia's paraffin-based treatments or some wax-coated options) remain a smaller premium segment. The lack of transparency distinguishes EVOC as a middle ground: not leading on safety disclosure, but also not flagged for hazardous practices.
If you buy it
Machine wash cold on gentle cycle and air dry; avoid hot water or heat-source drying, which can degrade synthetic coatings prematurely. Do not store in direct sunlight for extended periods, as UV exposure yellows nylon and weakens polyester fibers over time. If the water-repellent coating degrades (water no longer beads), the pack can be re-treated with commercial fluorinated or non-fluorinated water-repellent coating sprays according to your preference. Standard care extends the lifespan well beyond a decade; no special precautions are needed for health safety during normal outdoor use.
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.”
Azo dyes in polyester
Polyester fabrics can be dyed using azo dyes, which may release aromatic amines under prolonged wear and sweat exposure. EVOC does not disclose dye chemistry; risk depends on coloring method. Industry standard testing (ISO 105-B02) is not guaranteed without certification.
water-repellent coating formulation (excluding PFAS component)
Water-repellent treatments on outdoor packs often contain perfluorinated compounds or their non-fluorinated alternatives (such as Teflon-family coating or silicone-based resins). If fluorinated, these coatings can shed microparticles and off-gas in warm or humid storage. EVOC's choice of non-fluorinated alternatives (if any) is not publicly stated.
Antimony in polyester fibers
Polyester production sometimes uses antimony oxide as a catalyst; residual antimony can leach in trace amounts under acidic or heated conditions. No specific contamination records exist for EVOC packs, and leaching risk during normal wear is minimal.
Formaldehyde resins in fabric finishing
Some synthetic textiles use formaldehyde-based resins for wrinkle resistance or shape retention. water-repellent coating finishes may also incorporate formaldehyde cross-linkers. EVOC does not disclose finishing chemistry; the presence of formaldehyde is plausible but not documented for this model.
VOC off-gassing from new backpack
New synthetic packs often emit volatile organic compounds (printing inks, adhesives, coatings) during the first weeks of use. Airing the pack outdoors for 24-48 hours before heavy use reduces exposure. This is a temporary concern and does not indicate product defect.
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
Patagonia
Refugio Day Pack 26L
recycled nylon with non-fluorinated water-repellent coating treatment
Lower PFAS concern. Patagonia claims non-fluorinated water-repellent coating on this pack.
⚠Waterproof or stain-proof treatment
More waterproof outdoor gear 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.