Black Diamond · Waterproof Outdoor Gear
Black Diamond Cirque 30 Backpack
Backpack uses water-repellent coating. Black Diamond silent on PFAS details.
Black Diamond Cirque 30 is a nylon pack with water-repellent coating finish typical of outdoor gear. Brand does not disclose PFAS use or avoidance; standard water-repellent coating treatments often contain PFAS-based chemistry.
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Material
nylon fabric with water-repellent coating water-repellent finish
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 Cirque 30 uses nylon fabric treated with a water-repellent coating (water-repellent coating) finish. water-repellent coating coatings shed water without saturating the material, extending pack life and protecting contents. However, water-repellent coating formulations have historically relied on fluorochemicals (PFAS compounds) to achieve water beading; Black Diamond has not publicly specified whether this pack uses PFAS-based or newer non-fluorinated alternatives.
The brand's record and disclosure
Black Diamond is known for outdoor climbing and skiing gear with strong performance standards, but the company does not publish detailed chemical composition data or PFAS use policies on its website. No major recalls or chemical safety controversies have been formally documented for this specific model. The brand's silence on water-repellent coating chemistry is typical for the outdoor gear industry but limits consumer certainty about this finish.
How it compares in its category
Most mid-to-premium backpacks in this category use nylon with water-repellent coating treatment; Black Diamond's approach is standard. Some competitors (e.g., Patagonia) have committed to phasing PFAS in water-repellent coating finishes, while others remain undisclosed. This pack sits in the middle of the market in terms of chemical transparency, neither leading nor lagging in disclosure practices.
If you buy it
Store dry to avoid needing re-treatment. If the water-repellent coating washes out (water stops beading), you can reapply commercial water-repellent coating sprays, but this reintroduces the PFAS question unless you use a fluorine-free alternative. Regular machine washing is safe; avoid prolonged heat. Nylon is durable; lifespan is typically 5-10 years with normal 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.”
Formaldehyde in synthetic fabrics or finishes
Nylon itself does not require formaldehyde resin hardening. No formaldehyde hazard has been reported in Black Diamond nylon packs.
Azo dyes (potentially carcinogenic colorants)
Black Diamond packs are typically dyed with standard commercial disperse dyes; no restricted azo dyes have been documented in Black Diamond products, and the brand does not carry known dye-related safety notices.
Flame retardants in textiles
Backpacks are not regulated as apparel requiring flame retardant treatment. No flame retardants are known to be added to the Cirque 30.
water-repellent coating finish leaching or off-gassing
If the water-repellent coating contains fluorochemicals, microscopic residues may persist on fabric and leach into sweat or water over time, particularly if the pack is machine-washed frequently or exposed to heat. Exposure risk is low but non-zero without composition transparency.
Antimony in polyester hardware or stitching
Black Diamond hardware and zippers are typically sourced to industrial standards. No antimony contamination reports exist for this model.
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.