Black Diamond · Waterproof Outdoor Gear
Black Diamond Blitz Backpack
Outdoor backpack with water-repellent coating; PFAS status undisclosed by brand.
Black Diamond does not publicly disclose PFAS use or avoidance in this pack. water-repellent coating treatments often contain legacy PFAS, though formulations vary. No independent testing data available.
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Material
nylon ripstop 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 Blitz uses nylon ripstop fabric, a lightweight, durable synthetic material widely used in outdoor gear. The critical component here is the water-repellent coating (water-repellent coating) finish applied to the surface. water-repellent coating coatings historically relied on PFAS "forever chemicals" (PFAS) for water resistance, though some manufacturers have shifted to PFAS-free alternatives in recent years. Black Diamond has not publicly disclosed whether this model uses conventional fluorocarbon water-repellent coating or a PFAS-free formulation.
The brand's record and disclosure
Black Diamond is a reputable climbing and outdoor equipment manufacturer with no known major product safety recalls affecting this backpack model. However, the brand has been notably silent on PFAS policy and material sourcing transparency. They do not appear to publish sustainability reports detailing water-repellent coating chemistry or commit to phasing out PFAS-based finishes, unlike some competitors. This silence makes it difficult for consumers to assess fluorochemical exposure risk.
How it compares in its category
Outdoor backpacks at this price and performance tier universally include water-repellent coating treatments for water resistance. Many mainstream competitors (Osprey, Arc'teryx, Patagonia) have begun disclosing PFAS-free water-repellent coating adoption or publishing timelines for transition. Black Diamond's lack of public commitment puts the Blitz in the middle of the pack transparencywise. The nylon ripstop construction itself is standard and carries no unusual chemical load beyond the finish.
If you buy it
Use the backpack as-is without unnecessary washing, as water-repellent coating treatments degrade with repeated laundering and may require reapplication. If cleaning is needed, hand wash with mild soap and air dry rather than machine washing. Do not use heat (tumble dry, direct sunlight) to speed drying, as heat can degrade both nylon and the water-repellent coating. If water repellency fades after 2-3 years, consider applying an aftermarket water-repellent coating refresh product rather than discarding the pack.
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.”
PFAS in water-repellent coating
The water-repellent coating finish on nylon ripstop commonly contains legacy fluorochemicals (PFOA, PFOS, or replacements like GenX). Black Diamond has not disclosed the specific chemistry used in the Blitz, so PFAS presence cannot be ruled out. Risk is primarily dermal contact during use and potential leaching in washing water.
Nylon degradation and microfiber shedding
No specific recalls or reports of premature nylon ripstop failure in the Blitz model. Standard ripstop nylon is robust, though abrasion and UV exposure over years can cause minor fiber breakdown. Microfiber release is a general environmental concern with synthetic textiles but not unique to this product.
Formaldehyde in textile finishes
Nylon ripstop does not inherently contain formaldehyde, and Black Diamond does not use it in standard durable finishes. No reports of formaldehyde-based treatments on this model exist in public records.
Azo dyes and heavy metals in colorants
The Blitz is available in black colorways. While nylon can be dyed with both compliant and non-compliant dyes, Black Diamond is a mainstream brand subject to consumer product safety standards in target markets (US, EU). No product-specific reports of banned azo dyes or heavy metal contamination in colorants have been documented.
Contact allergens from finishes or adhesives
Nylon ripstop with water-repellent coating is not associated with reported contact dermatitis or allergic reactions in this product category. Rare individuals may react to residual finish chemicals, but this is not a recognized concern for the Blitz.
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.