PFAS20/ 100Bad
Overall0/ 100Bad
YETI Sidekick 3L Dry Gear Case

Yeti · Waterproof Outdoor Gear Storage Bags

YETI Sidekick 3L Dry Gear Case

Bad

High risk. Unknown water-repellent coating with no PFAS disclosure.

Verdict · SkipDry bag with unknown water-repellent coating chemistry and silent brand disclosure; acceptable for occasional use with awareness of coating longevity limits.

YETI's dry case uses waterproof-coated fabric, likely treated with water-repellent coating chemicals for water resistance. YETI provides no public PFAS testing or disclosure for this product.

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

Material

Fabric with waterproof/water-repellent coating

Lab data

No public lab test

What YETI Sidekick 3L Dry Gear Case is made of, ingredients and materials

The Sidekick 3L uses a fabric base (likely nylon or polyester blend) with a water-repellent coating (water-repellent coating) coating applied to the surface. water-repellent coating coatings shed water but degrade with washing and UV exposure, requiring periodic re-treatment. The specific fluorochemical or non-fluorine formulation YETI uses is not disclosed, making full safety assessment of the coating chemistry impossible.

What’s concerning

♾️

Category baseline

The starting point for this type of product, before anything specific to this product is counted.

70/ 100
♾️

No PFAS disclosure

No public statement from the brand about PFAS in this product.

85/ 100
♾️

Waterproof / stain-resistant treatment

Water-repellent coating treatments have historically used PFAS.

65/ 100
⏳

water-repellent coating degradation and reapplication

All water-repellent coating-coated fabrics lose water repellency with use. Reapplication products often contain high PFAS loads, shifting the hazard downstream; this product offers no guidance on low-chemical refresh alternatives.

20/ 100
🫧

Microplastic shedding from synthetic fibers

If the base fabric is polyester or nylon, micro-fibers can shed during use and washing, though this is not unique to YETI and is a known issue across synthetic textiles. Minimal concern for a dry bag used to store gear rather than worn directly on skin.

70/ 100
💨

VOC off-gassing from coating solvents

New water-repellent coating-coated items may release volatile organic compounds for the first few days to weeks. No specific off-gassing data is available for this product; airing out before heavy use or storage in an enclosed space is prudent.

70/ 100

What’s reassuring

✅

Azo dyes in synthetic textiles

No specific recalls or warnings exist for YETI fabric dyes. Synthetic dry bags occasionally use azo dyes that release aromatic amines under stress or sweat; YETI does not disclose dye chemistry, but risk is low for external gear bags with minimal skin contact.

95/ 100
💨

Formaldehyde / VOCs

Formaldehyde resins are rare in dry bags but sometimes used for wrinkle resistance or mildew inhibition in nylon. YETI does not disclose treatment chemistry; testing would be required to confirm absence.

Source, ATSDR ↗
95/ 100

The full breakdown

The brand's record and disclosure

YETI has not publicly released detailed material safety data, PFAS sourcing statements, or third-party certifications for this product line. The company does not appear on lists of brands committing to PFAS-free coatings (such as the Outdoor Industry Association's chemicals management programs). This silence is typical for outdoor gear brands but leaves end-users without transparency on persistent chemical exposure.

How it compares in its category

Soft-sided dry bags in this price range ($60-100) almost universally use fluorinated water-repellent coating coatings because non-fluorine alternatives (wax, silicone, or paraffin) wear out faster and perform poorly in heavy rain. YETI's positioning as a premium brand does not correlate with superior chemical disclosure compared to budget competitors. A small number of brands now offer Teflon-type coating-free or explicitly PFAS-free versions, though performance trade-offs apply.

If you buy it

Avoid machine washing; hand wash only with mild soap and air dry to preserve the water-repellent coating. Do not heat-dry or place near heat sources, as this can degrade the fabric and coating. Expect to reapply a commercial water-repellent coating treatment every 1-2 years depending on use. Monitor the fabric seams and coating for peeling or degradation; replace if structural integrity fails.

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
Yeti has made a specific claim

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

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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.