Deuter · Waterproof Outdoor Gear Storage Bags
Deuter Durascent 42+10 SL
High risk. water-repellent coating chemistry undisclosed by brand.
Deuter's backpack features nylon ripstop with water-repellent coating water-repellent treatment for weather protection. The brand does not disclose whether their treatment contains PFAS, a standard choice in outdoor gear.
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Material
nylon ripstop with water-repellent coating water-repellent treatment
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
What’s concerning
Category baseline
The starting point for this type of product, before anything specific to this product is counted.
No PFAS disclosure
No public statement from the brand about PFAS in this product.
Waterproof / stain-resistant treatment
Water-repellent coating treatments have historically used PFAS.
PFAS
Deuter does not disclose whether its water-repellent coating treatment uses PFAS or PFAS-free chemistry. Typical outdoor nylon ripstop packs use PFAS-based repellents, but confirmation for this specific product is unavailable. Assessed separately in PFAS score.
Source, ATSDR ↗water-repellent coating degradation and reapplication
Water-repellent coating treatments on outdoor gear are known to degrade after 50-100 wash cycles or 2-3 years of use. Re-treatment with consumer or commercial products may extend life but changes the coating composition. Monitor water beading and refresh as needed.
What’s reassuring
Formaldehyde / VOCs
Nylon ripstop does not typically require formaldehyde-releasing resins for durability. No recalls or test reports indicate formaldehyde contamination in Deuter packs. Standard for this material class.
Source, ATSDR ↗Heavy metals
Deuter does not disclose dye chemistry for this model. Nylon is routinely dyed with modern reactive or vat dyes. No public reports of unsafe dye metals in Deuter products. Brand produces to European standards, which restrict certain azo compounds.
Source, FDA ↗Antimony in polyester (if present)
The Durascent uses nylon ripstop as primary fabric, not polyester. Antimony catalyst risk does not apply to nylon fiber. Not relevant to this product.
The full breakdown
What it's made of and why it matters
The Durascent 42+10 SL is constructed from nylon ripstop, a tightly woven synthetic fabric chosen for tear resistance and light weight. The 'water-repellent coating' (water-repellent coating) treatment applied to the exterior is the material concern here, it sheds water without full waterproofing, but the specific chemistry Deuter uses is not publicly disclosed. Standard water-repellent coating finishes in outdoor gear often employ PFAS compounds, though some brands have shifted to PFAS-free alternatives in recent years.
The brand's record and disclosure
Deuter, a German outdoor equipment manufacturer owned by Habeco, does not publicly disclose its water-repellent coating chemistry or maintain a PFAS commitment statement. No major recalls or contamination incidents are on public record for Deuter packs. The brand does not appear on lists of companies that have formally committed to PFAS phase-out (unlike some competitors such as Patagonia or The North Face). This silence is typical of mid-tier outdoor brands and does not indicate wrongdoing, but limits consumer transparency.
How it compares in its category
This 42+10-liter capacity pack sits in the mid-range hiking/travel segment. Comparable brands (Osprey, Arc'teryx, Gregory) vary widely in PFAS disclosure and water-repellent coating chemistry. Osprey has committed to PFAS reduction; Arc'teryx offers some lines stated as PFAS-free by the brand. Deuter's silence puts it in a cautious middle ground, neither worst-practice nor leading-edge on this front. The nylon ripstop itself is standard and shows lower concern than some polyester coatings in this category.
If you buy it
Inspect seams and zippers before heavy use; water-repellent coating treatments wear down over 2-3 years of frequent use and can be re-applied with commercial products or professional service. Wash in cool water with mild detergent; avoid high heat and harsh solvents, which may degrade both nylon and the water-repellent coating layer. Do not dry-clean. If PFAS exposure is a personal concern, contact Deuter directly for specific water-repellent coating ingredient clarification, or consider brands with published PFAS-free certifications for peace of mind.
What we don’t know
- Basis
- Model estimate, 35% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Deuter has made none
Formulations change between production runs, so check the current label. How we grade.
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⚠Starting grade for this product type
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⚠Waterproof or stain-proof treatment
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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.