Do Whoop water-resistant smart rings & bands have PFAS?
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Top-graded picks in the categories readers replace first, every one scored on the same rubric.
Aqua Pure
3M Aqua-Pure AP802B Whole House Filter Housing
- 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. See all of them.
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. See all of them.
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. See all of them.
Whoop water-resistant smart rings & bands average 70 out of 100 on PFAS Authority's PFAS and toxin screen across the 6 Whoop water-resistant smart rings & bands graded as of October 2026, below the 85 out of 100 median for the 11 other water-resistant smart rings & bands brands graded alongside it.
Whoop water-resistant smart rings & bands average Good on our four-band scale. 4 of the 6 we graded are worth buying.
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.
Whoop water-resistant smart rings & bands worth buying Good or better, best-graded first
Whoop
5.0 Loop Soft Whoop Peak Bands Watch Straps
- Elastomer loop fabric band
- We found no PFAS statement from the brand
- Azo dyes and aniline residues in colored elastomer, Colored elastomer bands may contain azo dyes applied…
3 hazards checked on this product. See all of them.
Whoop
CoreKnit Accessory Band
- Knit fabric, likely polyester or nylon blend
- We found no PFAS statement from the brand
- Microplastics, Polyester-nylon blends can shed microfibers during wear and washing. For a wrist-worn band…
2 hazards checked on this product. See all of them.
Whoop
Spigen WHOOP Series Band
- Silicone band
- We found no PFAS statement from the brand
- Silicone oligomer migration, Uncrosslinked oligomers can migrate from poorly cured silicone into skin…
3 hazards checked on this product. See all of them.
Whoop
Navigator 5.0 Band
- Silicone band with elastomer
- We found no PFAS statement from the brand
- Skin irritation or contact dermatitis, Silicone is hypoallergenic for most users, but prolonged moisture…
3 hazards checked on this product. See all of them.
Graded and flagged Poor and Bad, we’d swap these
Whoop
Nylon Sport Band for WHOOP 5.0 & MG
- Nylon with water-repellent coating treatment
- We found no PFAS statement from the brand
- PFAS, Whoop does not disclose whether the water-repellent treatment uses traditional PFAS (e.g., Teflon-type…
4 hazards checked on this product. See all of them.
Find an alternative on Amazon
Whoop
SuperKnit Accessory Band, One/Peak
- knit textile with waterproof treatment
- We found no PFAS statement from the brand
- Formaldehyde / VOCs, Knit textiles sometimes use formaldehyde-releasing resins for shape retention and dye…
4 hazards checked on this product. See all of them.
Find an alternative on AmazonBetter water-resistant smart rings & bands from other brands
Graded higher than the Whoop average of 70.
Even Realities
Even R1 Smart Ring
- titanium, stainless steel, sapphire crystal
- We found no PFAS statement from the brand
- Band material variability
2 hazards checked on this product. See all of them.
Smart Ring 3 Silver / 9#19.1mm / Standard with 1 Charging Case
- Titanium alloy, sapphire crystal, stainless steel
- We found no PFAS statement from the brand
- Nickel leaching (from stainless steel components)
3 hazards checked on this product. See all of them.
Smart Ring Titan Rose Golden / 11#20.6mm
- Titanium alloy body with ceramic crown
- We found no PFAS statement from the brand
- Nickel leaching from alloy components
2 hazards checked on this product. See all of them.
The same question, asked of the other water-resistant smart rings & bands brands
Best average grade first. Whoop averages 70.
See every Whoop product we grade on the Whoop brand page, or the full water-resistant smart rings & bands ranking.