Sports Bras, ranked by PFAS safety
15 products graded from Bad to Excellent, safest first. None grade Good or better yet, so we show the full ranking and the least-concerning options first.
Start here
The best non-toxic sports bras, ranked safest first
Graded and flagged Poor and Bad, we’d swap these
Nike
Medium Support Sports Bra Nike Women's Swoosh
Nylon/polyester blend fabric, no waterproofing or stain treatment disclosed
Lower PFAS concern; standard sports bra with no waterproofing or chemical finishes typical of PFAS use.
⚠Risky category by default
Lululemon
Flow Y Sports Bras | Women's Bra Nulu Light Support, A–C Cups | Size 8 | Pink
Nulu (nylon blend)
Lower PFAS concern; natural fiber blend without performance coatings, but brand lacks transparency.
⚠Risky category by default
Lululemon
Like A Cloud Sports Bras | Women's Bra Light Support, B/C Cup | Size 2 | Pink
Nylon/elastane blend (synthetic athletic knit)
Lower PFAS risk for basic stretch athletic wear; Lululemon offers no PFAS commitments or obvious water-repellent coating treatment.
⚠Risky category by default
Allbirds
Women's Natural Sports Bra
organic cotton blend, no water-repellent coating disclosed
Lower concern, natural materials with no known water-repellent coating treatment, but no explicit PFAS commitment from brand.
⚠Risky category by default
Allbirds
Women's Intimates & Sleepwear Allbirds Trino Bralette
Merino wool, recycled materials (Allbirds typical blend)
Lower-concern base materials, but brand silence on PFAS processing leaves a data gap.
⚠Risky category by default
Allbirds
Anytime Bralette Light Grey Xs
Organic cotton blend with TENCEL lyocell
Lower PFAS concern for a basic cotton-blend bralette; no water-repellent coating or stain treatment implied.
⚠Risky category by default
Athleta
Women's Train Free Sports Bra
Nylon/polyester blend, no reported waterproof or stain-resist coating
Lower concern for PFAS, but Athleta offers no public transparency on water-repellent coating treatments.
⚠Risky category by default
Athleta
Women's Perfect Form Sports Bra
nylon, spandex blend with standard elastic
Lower concern, standard athletic bra with no known PFAS-prone treatments, but brand is silent on the topic.
⚠Risky category by default
Athleta
Women's Transcend Scoop Sports Bra
nylon, spandex blend
Lower-concern choice; no known water-repellent coating treatment, but brand transparency on PFAS is absent.
⚠Risky category by default
Athleta
Women's Vital Sports Sports Bra
Nylon/polyester blend with standard elastic
Lower PFAS concern, though Athleta won't confirm water-repellent coating treatment details.
⚠Risky category by default
Athleta
Women's Reform Adjustable Sports Bra
Nylon/polyester blend with elastic
Lower concern for basic sports bra materials, but brand gives no PFAS transparency.
⚠Risky category by default
Athleta
Women's Interval Sports Bra
nylon, spandex blend; no water-resistant treatment disclosed
Lower concern bra; no disclosed water-resistant coating containing PFAS.
⚠Risky category by default
Athleta
Women's Intuition Cotton Sports Bra
cotton primary; elastane blend for fit
Lower PFAS concern; plain cotton bra with no confirmed PFAS-free manufacturing.
⚠Risky category by default
Athleta
Women's Invigorate Sports Bra
Nylon, spandex blend (standard performance fabric)
Lower PFAS concern; standard athletic bra without known water-stain treatments.
⚠Risky category by default
Nike
Women's Dri-FIT Padded Sports Bra
nylon/polyester blend with Dri-FIT moisture-wicking treatment
Heavy metals
Limited concern
Antimony in polyester
Limited concern
Microplastic shedding during wash
Moderate concern
PFAS
High concern
Avoid until Nike reveals water-repellent coating chemistry, Dri-FIT's water-repellent finish often relies on PFAS.
⚠Waterproof or stain-proof treatment
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