PFAS65/ 100Good
Overall43/ 100Poor
Icebreaker Merino 200 Convertible Mittens

Icebreaker · Waterproof Winter Gloves

Icebreaker Merino 200 Convertible Mittens

Good

Lower-concern option; merino wool without disclosed water-repellent coating mitigates PFAS worry, though brand transparency is limited.

Verdict · SkipMerino wool blend without disclosed water-repellent coating avoids PFAS and synthetic chemical hazards common in waterproof gloves; good category safety record.

Icebreaker's Merino 200 Convertible Mittens use merino wool with no disclosed water-repellent or stain-resistant treatment, which lowers PFAS concern. The brand makes no PFAS claims or certifications.

The better-graded swap

Better Sweater Gloves Patagonia Women's

Patagonia

Better Sweater Gloves Patagonia Women's

90/100 safety

90Excellent

Same rubric that flunked this product. The swap earned Excellent.

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

Material

Merino wool blend; no chemical water-repellent coating disclosed

Brand disclosure

Brand is silent on PFAS

Lab data

No public lab test

What Icebreaker Merino 200 Convertible Mittens is made of, ingredients and materials

Icebreaker Merino 200 Convertible Mittens are constructed from merino wool blended with synthetic fibers (typically nylon or polyester for structure and durability). Merino wool is a natural protein fiber that does not require heavy chemical finishing for basic water resistance, wool naturally sheds moisture due to its microscopic structure. The absence of a disclosed water-repellent coating (water-repellent coating) chemical coating (common in synthetic winter gloves) eliminates exposure to fluorinated or silicone-based treatments that can accumulate in the body and environment.

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
💨

Formaldehyde / VOCs

Merino wool and synthetic blend textiles are often treated with formaldehyde-based resins for wrinkle resistance and shrink control. Icebreaker does not disclose finishing chemistry; off-gassing risk is typically low after initial wear and washing, but cannot be ruled out without test data.

Source, ATSDR ↗
70/ 100
🎨

Azo dyes and synthetic dye toxicity

Colored merino blends may use azo dyes that can release aromatic amines under certain conditions. No specific dye safety certification is disclosed for this product; reputable brands often use compliant dyes, but verification is absent here.

70/ 100
⚠️

Antimony in polyester fiber

If the synthetic component is polyester, residual antimony (a catalyst used in polymerization) may be present at trace levels. Skin contact via gloves poses minimal ingestion risk, but accumulation is theoretically possible with prolonged, direct contact.

70/ 100
🫧

Microplastic shedding from synthetic blend

Merino-synthetic blends shed microfibers during washing and wear, though merino content typically reduces shedding compared to 100% synthetic gloves. Washing in a mesh bag and avoiding high agitation can minimize environmental release.

45/ 100

What’s reassuring

✅

Base material not linked to PFAS

The main material recorded for this product is not one associated with PFAS.

100/ 100
✅

Nickel or metal fasteners in cuff/closure

Convertible mittens often feature metal snaps or elastic cuffs with metal components. No nickel allergies or dermatitis cases specific to Icebreaker mittens are documented; standard materials typically meet EU nickel limits, but direct contact sensitivity is individual.

95/ 100

The full breakdown

The brand's record and disclosure

Icebreaker is owned by VF Corporation and markets itself as an outdoor/performance brand with sustainability commitments, though specific chemical disclosures for individual products remain limited. The company does not publicly highlight whether this glove line undergoes formaldehyde-resin finishing or other standard textile treatments, and PFAS transparency is notably absent from product labels or marketing materials. No major recalls or safety controversies specific to Icebreaker mittens have been documented in public records. The brand's silence on chemical inputs is typical for performance apparel but limits full hazard assessment.

How it compares in its category

Most waterproof winter gloves rely on synthetic outer shells (polyester, nylon) treated with fluorinated water-repellent coating coatings to achieve water resistance, creating PFAS exposure. Merino wool alternatives like this one sidestep that concern by leveraging the fiber's natural hydrophobic properties, placing them in a lower-chemical-input segment of the category. Convertible mittens that expose fingertips may reduce overall chemical surface area compared to full enclosure designs. This product sits in the safety-conscious subset of winter gloves, though merino blends trade some water-shedding performance for reduced synthetic chemical load.

If you buy it

Wash in cool water with mild detergent and avoid fabric softeners or high-heat drying, which can damage wool fibers and degrade water resistance over time. Merino wool does not require frequent washing; spot-cleaning or airing out between wears extends lifespan and reduces chemical exposure from detergent residue. Replace when wool fibers pill noticeably, cuffs lose elasticity, or seams fray, as degradation can allow moisture penetration and increase microplastic shedding. Store in a dry location to prevent mildew and avoid prolonged exposure to direct heat sources, which can weaken protein structure.

What we don’t know

Basis
Model estimate, 72% confidence, not a lab result
Lab test
None on record for this exact product
Brand statement
Icebreaker has made none

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

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Better Sweater Gloves Patagonia Women's

90ExcellentPFAS grade
  • Polyester fleece (recycled)
  • The brand calls it PFAS-free, which we have not verified
  • Heavy metals

2 hazards checked on this product. See all of them.

Patagonia R4 Yulex Regulator Three Finger Mitts

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90ExcellentPFAS grade
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  • The brand calls it PFAS-free, which we have not verified
  • Allergic contact dermatitis (rubber/guayule sensitivity)

2 hazards checked on this product. See all of them.

Patagonia Synchilla Gloves

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Synchilla Gloves

90ExcellentPFAS grade
  • Polyester fleece (Synchilla®); no water-repellent treatment disclosed
  • The brand calls it PFAS-free, which we have not verified
  • Microplastics

2 hazards checked on this product. See all of them.

More waterproof winter gloves 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.