PFAS40/ 100Poor
Overall32/ 100Poor
Marmot Urban Hauler Backpack

Marmot · Waterproof Outdoor Gear Storage Bags

Marmot Urban Hauler Backpack

Poor

Urban backpack with waterproof coating, water-repellent coating treatment source unknown.

Verdict: SkipNylon/polyester backpack with unknown water-repellent coating chemistry and silent brand stance; PFAS risk moderate; no other major hazards reported for this material class.

Marmot won't disclose PFAS-related treatment details for this backpack. Water-repellent coatings on outdoor gear often contain PFAS, but the brand offers no confirmation either way.

Still want this one anyway? Check the price on Amazon. We’d swap it.

Material

Nylon/polyester with water-repellent coating water-resistant treatment

Brand disclosure

Brand is silent on PFAS

Lab data

No public lab test

What’s concerning

♾️

Waterproof / stain-resistant treatment

Water-repellent treatments have historically contained PFAS chemicals.

65/ 100
♾️

Category baseline

PFAS exposure happens more often with clothing products.

90/ 100
♾️

No PFAS disclosure

The company has not publicly discussed PFAS in this product.

85/ 100
♾️

PFAS

Water-repellent treatment source not disclosed; fluorinated water-repellent coating typically implies PFAS presence, but formulation unconfirmed for this product. Risk is primarily environmental (manufacturing/disposal) rather than direct skin contact during use.

Source: ATSDR
70/ 100
🫧

Microplastics

Synthetic nylon/polyester fabrics can shed microfibers during washing, particularly in abrasion zones (straps, seams). This is a general category risk, not specific to Marmot, but washing frequency and water temperature affect magnitude.

Source: EPA
70/ 100

What’s reassuring

Azo dyes in polyester

No specific azo dye contamination reported for Marmot backpacks. Standard polyester in outdoor gear is typically tested to OEKO-TEX or similar standards; no public recalls for this model.

95/ 100
💨

Formaldehyde / VOCs

No documented formaldehyde-related issues or recalls for Marmot apparel or backpacks. Most outdoor brands comply with apparel safety limits, though Marmot does not publicly certify testing.

Source: ATSDR
95/ 100
⛏️

Heavy metals

Metal buckles, zippers, and D-rings are not flagged in public safety records for Marmot products. Standard outdoor gear hardware is typically cadmium and lead-free, though not always independently verified.

Source: FDA
95/ 100

The full breakdown

What it's made of and why it matters

The Urban Hauler uses nylon and polyester fabrics treated with a water-repellent coating (water-repellent coating) finish to shed rain. water-repellent coating coatings are typically applied as surface treatments and do not leach significantly during normal use, but the specific chemistry (whether PFAS-based or fluorine-free) is not disclosed by Marmot. Nylon and polyester themselves are stable synthetics with low leaching risk under typical backpack conditions (no heat exposure, no prolonged food contact).

The brand's record and disclosure

Marmot does not publicly disclose water-repellent coating chemistry or PFAS sourcing for its gear on product labels or website statements reviewed in public records. The brand has not signed major textile sustainability pledges (such as the ROADMAP for Responsible Outdoor Apparel Durability or similar PFAS-phaseout commitments) as of available information. No recalls or documented safety incidents for this specific model are on public record.

How it compares in its category

Most outdoor backpacks in the mid-range segment use either fluorinated water-repellent coating (often PFAS-based) or fluorine-free alternatives, but transparency varies widely. Marmot's silence on water-repellent coating sourcing places it behind brands that explicitly certify PFAS-free treatments (e.g., some offerings from Patagonia or Arc'teryx). The nylon/polyester construction itself is standard and carries no elevated hazard versus competitors in the category.

If you buy it

Store in a cool, dry place away from direct heat and sunlight, which can degrade the water-repellent coating over time. Wash by hand or gentle machine cycle in cool water with mild detergent when needed; avoid fabric softeners and heat drying, which strip water repellency. Reapply water-repellent coating (fluorine-free versions are available) every 1-2 years if water beading diminishes. Do not dry clean or expose to high heat.

What we don’t know

Basis
Model estimate, 45% confidence, not a lab result
Lab test
None on record for this exact product
Brand statement
Marmot has made none

Formulations change between production runs, so check the current label. How we grade.

More waterproof outdoor 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.