Athletic Insoles & Orthotics, ranked by PFAS safety
16 products graded A to F, safest first. None have earned a C or better yet, so we show the full ranking and the least-concerning options first.
Graded and flagged D and F, we’d swap these
Vionic
Active Full Insole
Foam cushioning, textile upper
Lower concern; typical insole without known PFAS drivers.
⚠Risky category by default
Vionic
Women's Slim Fit Insole
foam, gel, or textile insole construction
Insole material is inherently lower PFAS risk; no brand disclosure found.
⚠Risky category by default
Vionic
Unisex Active Orthotic Full Length Insole
EVA foam, fabric backing, polyurethane adhesive
Lower concern insole; common foam materials, no waterproofing treatment indicated.
⚠Risky category by default
Vionic
Relief 3QTR Insole
foam, gel, or fabric cushioning
Insole materials unlikely to contain PFAS, but Vionic provides no disclosure.
⚠Risky category by default
Vionic
Women's Active Full Length Insole
EVA foam, arch support structure
Lower concern for typical EVA insole.
⚠Risky category by default
Vionic
Orthotic
Foam insoles, synthetic upper, textile lining
Orthotic footwear lower concern absent waterproof treatment disclosure.
⚠Risky category by default
Vionic
Women's Slim Fit Insoles
foam cushioning, fabric topcover
Lower concern, but no public PFAS disclosure from brand.
⚠Risky category by default
Vionic
Relief 3/4 Orthotic Insoles
Foam, gel, and textile insole base
Lower concern. No known PFAS-prone materials typical in insoles.
⚠Risky category by default
Keen
Men's K-10 Outdoor Replacement Insole
EVA foam, textile mesh, rubber base
Lower concern. Standard insole materials without known PFAS triggers.
⚠Risky category by default
Keen
Men's K-30 High Outdoor Insole
foam cushioning with textile/synthetic upper
Insoles lack PFAS transparency; Keen's limited disclosure creates moderate uncertainty.
⚠Risky category by default
Keen
Men's Utility K-20 Cushion Insole
foam cushioning, likely polyurethane or EVA
Lower concern; standard foam insole with no PFAS-typical features identified.
⚠Risky category by default
Keen
Men's Utility K-10 Replacement Insole
EVA foam, fabric lining
Lower concern; standard insole without water treatment.
⚠Risky category by default
Keen
Men's Utility K-30 Low Arch Insole
Foam cushioning (EVA or polyurethane base)
Lower concern; no reported PFAS triggers in basic insole design.
⚠Risky category by default
Keen
Utility K-30 Arch Insole
Foam, fabric, possibly textile blend
Lower concern; basic insole, no known PFAS-prone features.
⚠Risky category by default
Keen
Outdoor K-10 Replacement Insole
Foam/cushioning insole, likely EVA or polyurethane base
Lower concern. No known water-resistant treatment typical for insoles.
⚠Risky category by default
Keen
Men's Outdoor K-20 Plus Insole
foam/gel insole with moisture-wicking treatment
Insole likely waterproofed; Keen does not disclose PFAS status.
⚠Waterproof or stain-proof treatment
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