Do Brooks waterproof sports undergarments have PFAS?
Brooks waterproof sports undergarments average 65 out of 100 on PFAS Authority's PFAS and toxin screen across the 4 Brooks 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.
Brooks 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.
Which Brooks waterproof sports undergarments contain PFAS? Poor and Bad, we’d swap these
- Polyester athletic knit, no specified water-repellent coating treatment
- We found no PFAS statement from the brand
- Azo dyes and colorant toxicity. Black or dark polyester knits typically use azo dyes, which are regulated but…
4 hazards checked on this product, all on its full breakdown.
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- polyester blend athletic shirt, no stated coating
- We found no PFAS statement from the brand
- Formaldehyde / VOCs. Polyester athletic apparel sometimes receives formaldehyde-based finishing to control…
4 hazards checked on this product, all on its full breakdown.
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- Nylon, spandex blend
- We found no PFAS statement from the brand
- Azo dyes. Nylon can be dyed with either azo or non-azo dyes; Brooks has not disclosed dye chemistry for this…
3 hazards checked on this product, all on its full breakdown.
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- polyester mesh singlet
- We found no PFAS statement from the brand
- Azo dyes and color fastness. The printed graphic uses dyes and pigment binders whose formulation Brooks does…
2 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. Brooks averages 65.
See every Brooks product we grade on the Brooks brand page, or the full waterproof sports undergarments ranking.