Do Reebok waterproof sports undergarments have PFAS?
Reebok waterproof sports undergarments average 65 out of 100 on PFAS Authority's PFAS and toxin screen across the 6 Reebok waterproof sports undergarments graded as of October 2026, above the 43 out of 100 median for the 7 other waterproof sports undergarments brands graded alongside it.
Reebok waterproof sports undergarments average Good on our four-band scale. None of them clear our buy threshold.
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.
What Reebok says and does about PFAS
We found no PFAS statement from Reebok. One independent lab test by Mamavation on a pair of Reebok running tights found non-detect total fluorine. That is one product, and it is not a finding about the rest of the range.
- Independent testMamavation sent activewear to a lab for total fluorine, an indicator of PFAS. It lists the Reebok RE Tight Running Carrera Tights as non-detect for total fluorine. This is one product. Mamavation, Non-Toxic Activewear Guide ↗
Sources checked September 30, 2026. A brand statement is the company’s own claim, which we report but have not verified. Our grades are model-based estimates, not lab tests.
Which Reebok waterproof sports undergarments contain PFAS? Poor and Bad, we’d swap these
- Cotton/polyester blend, no reported treatment
- Formaldehyde / VOCs. The Director model shows no documented permanent-press or wrinkle-resistant treatment…
2 hazards checked on this product, all on its full breakdown.
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- polyester/nylon blend, no water-repellent coating treatment disclosed
- Formaldehyde / VOCs. Polyester and nylon textiles are often finished with formaldehyde-releasing resins for…
3 hazards checked on this product, all on its full breakdown.
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- Polyester blend performance fabric
- Formaldehyde / VOCs. Performance polyester fabrics often use formaldehyde-based resins for wrinkle…
4 hazards checked on this product, all on its full breakdown.
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- polyester blend athletic knit
- Formaldehyde / VOCs. Polyester athletic knits often use formaldehyde-based crosslinkers for shape-setting and…
4 hazards checked on this product, all on its full breakdown.
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- polyester/cotton blend, standard knit
- Azo dyes and residual dye chemicals. Polyester knits are typically dyed with azo or reactive dyes. Reebok…
4 hazards checked on this product, all on its full breakdown.
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- polyester blend fabric, no special coating
- Heavy metals. Polyester tanks require synthetic dyes. Reebok does not publicly certify azo dye restrictions…
4 hazards checked on this product, all on its full breakdown.
Find an alternative on AmazonThe same question, asked of the other waterproof sports undergarments brands
Best average grade first. Reebok averages 65.
See every Reebok product we grade on the Reebok brand page, or the full waterproof sports undergarments ranking.