Do Fossil waterproof fitness trackers & cases have PFAS?
Fossil waterproof fitness trackers & cases average 78 out of 100 on PFAS Authority's PFAS and toxin screen across the 6 Fossil waterproof fitness trackers & cases graded as of October 2026, below the 85 out of 100 median for the 24 other waterproof fitness trackers & cases brands graded alongside it.
Fossil waterproof fitness trackers & cases average Excellent on our four-band scale. 5 of the 6 we graded are worth buying. That is above 13% of the waterproof fitness trackers & cases brands we grade.
PFAS Authority is a scoring system, not a laboratory. We do not test products ourselves. Grades are model-based, built from published ingredients, materials, certifications, brand disclosures and third-party lab results where they exist. See the rubric.
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Top-graded picks in the categories readers replace first, every one scored on the same rubric.
- polypropylene filter housing, carbon/sediment cartridge
- We found no PFAS statement from the brand
- Bacterial growth in spent cartridges
3 hazards checked on this product, all on its full breakdown.
Aquasure
Premier Series 75 GPD Under Sink Reverse Osmosis Water Filtration System
- RO membrane, carbon filters, stainless steel housing
- We found no PFAS statement from the brand
- Bacterial and microbial growth in housing and filters
4 hazards checked on this product, all on its full breakdown.
Avocado
Vegan Mattress
- organic cotton, natural latex, coconut coir, recycled steel coils
- The brand calls it PFAS-free, which we have not verified
- Heavy metals
2 hazards checked on this product, all on its full breakdown.
Fossil waterproof fitness trackers & cases worth buying Good or better, best-graded first
- Silicone band with polyurethane-based
- We found no PFAS statement from the brand
- Skin contact allergen from silicone additives. Silicone bands may contain trace curing agents or colorants…
3 hazards checked on this product, all on its full breakdown.
- Stainless steel case, resin band
- We found no PFAS statement from the brand
- Resin band degradation and sweat accumulation. Resin bands are prone to hardening, cracking, and retaining…
2 hazards checked on this product, all on its full breakdown.
- Stainless steel case, polymer band
- We found no PFAS statement from the brand
- Nickel leaching from stainless steel case. Stainless steel contains nickel as a key alloy component. Nickel…
2 hazards checked on this product, all on its full breakdown.
- Stainless steel case
- We found no PFAS statement from the brand
- Nickel dermal sensitization from stainless steel contact. Stainless steel contains 8-12% nickel by…
4 hazards checked on this product, all on its full breakdown.
- Stainless steel case, plastic band, glass screen
- We found no PFAS statement from the brand
- Microplastics. Polyurethane or elastomer watch straps can develop surface cracks and brittleness over 1-3…
2 hazards checked on this product, all on its full breakdown.
Which Fossil waterproof fitness trackers & cases contain PFAS? Poor and Bad, we’d swap these
- Stainless steel case, cork accents, unspecified touchscreen coating and water-resistant treatment
- We found no PFAS statement from the brand
- Waterproofing and water-resistant coating composition. Fossil does not disclose whether the water-resistant…
3 hazards checked on this product, all on its full breakdown.
Find an alternative on AmazonBetter waterproof fitness trackers & cases from other brands
Graded higher than the Fossil average of 78.
- Stainless steel, magnetic closure
- We found no PFAS statement from the brand
- Nickel leaching from stainless steel
- Stainless steel band, magnetic closure
- We found no PFAS statement from the brand
- Nickel leaching from stainless steel
3 hazards checked on this product, all on its full breakdown.
Find an alternative on Amazon
- food-grade silicone
- Microplastic shedding
3 hazards checked on this product, all on its full breakdown.
The same question, asked of the other waterproof fitness trackers & cases brands
Best average grade first. Fossil averages 78.
See every Fossil product we grade on the Fossil brand page, or the full waterproof fitness trackers & cases ranking.