20/ 100
F
OverallF12/100
Merrell Rain & Stain 6.0 oz

Merrell · Stain-Resistant Footwear

Merrell Rain & Stain 6.0 oz

F · High PFAS

Unknown PFAS status. Typical water-repellent coating apparel carries elevated risk.

Verdict: SkipUnknown PFAS status in water-repellent coating creates elevated risk; no other major textile hazards documented. Seek PFAS-free alternative or use cautiously.

Merrell's Rain and Stain treatment suggests a water and stain repellent coating, historically associated with PFAS-based water-repellent coating finishes. Merrell does not disclose PFAS ingredients or claim PFAS-free alternatives.

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

Material

textile with water-repellent coating water/stain 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.

Hurts the grade

Category baseline

clothing is a category where PFAS exposure is more common.

Hurts the grade

No PFAS disclosure

No public statement about PFAS in this product.

Hurts the grade

The full breakdown

What it's made of and why it matters

Merrell Rain & Stain 6.0 oz is a textile garment treated with a water-repellent coating (water-repellent coating) coating applied to the fabric surface. water-repellent coating treatments historically relied on PFAS (PFAS "forever chemicals") to achieve water and stain resistance; modern formulations vary widely in PFAS content. The base textile itself is not disclosed in public materials, but performance apparel of this type typically uses synthetic blends (polyester, nylon) that carry minimal hazard when uncoated. The critical unknown is the specific water-repellent coating chemistry used.

The brand's record and disclosure

Merrell (owned by Wolverine Worldwide) has not publicly committed to PFAS-free water-repellent coating chemistry or provided transparency on this specific product's coating composition. The brand does not prominently advertise PFAS-free status on product pages or marketing materials, unlike some competitors who have made explicit pledges. No major recalls or documented safety violations specific to this product line are on record. Wolverine Worldwide committed in 2021 to phasing out long-chain PFAS but has not detailed timelines or confirmed completion for all product lines including Merrell apparel.

How it compares in its category

Most outdoor/performance apparel with water-repellent coating finishes carry unresolved PFAS uncertainty unless explicitly labeled PFAS-free. Brands like Patagonia and some REI Co-op products have committed to PFAS-free alternatives; Merrell does not appear to offer equivalent transparency. The 6.0 oz weight suggests a lightweight shell or mid-layer, typical of entry-level outdoor wear where water-repellent coating is standard but less regulated than in premium lines. For this category, lack of disclosure is more concerning than documented harm, placing this product in the middle risk band.

If you buy it

Wash before first wear if possible to reduce residual coating dust or particles. Use cool or warm water (below 60°C/140°F) and avoid fabric softeners, which can degrade the water-repellent coating finish and may interact with coating residues. Do not iron directly onto the treated surface; dry on low heat or air-dry. Replace the garment if the water-repellent coating visibly peels, flakes, or becomes sticky (signs of polymer degradation), as continued wear could increase dermal contact with coating components. Minimize extended skin contact during hot, sweaty activities until you are comfortable with the product's safety profile.

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.”

Possible

PFAS in water-repellent coating

water-repellent coating treatment is the primary PFAS exposure pathway in this product. Merrell has not disclosed the specific chemistry, and many water-repellent coating coatings applied to apparel still contain PFAS despite industry movement toward alternatives. Graded separately but is the dominant safety concern.

None known

Azo dyes

No documented use of restricted azo dyes in Merrell performance apparel. Synthetic fabrics in this category are generally not a source of azo concern, though dye safety is not independently verified for this specific product.

None known

Formaldehyde-based resins

Permanent-press or wrinkle-resistant finishes are not mentioned for this lightweight shell. Formaldehyde risk is minimal for water-repellent coating-only textile apparel unless anti-shrink treatments are used, which is unlikely at this weight/purpose.

None known

Flame retardant chemicals

No indication of added flame retardant chemistry in public product information. Outdoor apparel of this type does not require flame retardancy and typically does not include these additives.

Possible

Coating degradation and particle shedding

Repeated washing and wear may cause the water-repellent coating polymer to degrade or shed microparticles. This is common in all coated textiles and is a vector for inhaling or absorbing coating residues, especially if the coating contains undisclosed chemical additives.

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.

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More stain-resistant footwear 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.