Vionic · Athletic Insoles & Orthotics
Relief 3QTR Insole
Insole materials unlikely to contain PFAS, but Vionic provides no disclosure.
Vionic Relief insoles use foam or gel cushioning, materials with low inherent PFAS risk. Brand offers no PFAS statement or third-party verification.
Still want this one anyway? Check the price on Amazon. We’d swap it.
Material
foam, gel, or fabric cushioning
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
Safe base material
Made from a material with no inherent PFAS use (ceramic, mineral, or natural fiber).
Category baseline
clothing is a category where PFAS exposure is more common.
No PFAS disclosure
No public statement about PFAS in this product.
The full breakdown
What it's made of and why it matters
Relief 3QTR insoles use foam cushioning (likely polyurethane or EVA) combined with gel or memory foam topcoats to distribute pressure. These materials are chemically stable at body temperature and foot pH, so leaching risk is minimal compared to cookware or food storage. The fabric covering is typically a synthetic blend; if treated with water repellents or antimicrobial finishes, those are the only processing concerns. Vionic does not disclose exact material specs, which limits assessment but is standard in the insole market.
The brand's record and disclosure
Vionic is owned by Caleres (Brown Shoe Company) and markets orthopedic footwear. The brand has no known recalls specifically for chemical contamination in insoles and has not faced major adverse publicity on materials safety. However, Vionic provides minimal transparency on material sourcing, certifications, or chemical processing, neither ISO 14001, OEKO-TEX, nor similar standards are advertised. This silence is not atypical for shoe brands but leaves chemical profile unverified.
How it compares in its category
Insoles as a category carry lower chemical risk than cookware or textiles worn directly against skin for hours. The Relief 3QTR sits in the mid-market orthopaedic space; competitors (Superfeet, Powerstep, Scholl) similarly lack third-party chemical disclosure but have comparable material profiles. Vionic's gel-and-foam construction is standard and less concerning than insoles with antimicrobial silver coatings or water-resistant fluorinated polymers, which some brands use.
If you buy it
Insoles degrade over 6, 12 months with daily use; replace when cushioning flattens or odor develops. Avoid machine washing; wipe with a damp cloth and air-dry. Do not expose to direct heat (dishwashers, radiators) as foam may degrade. If you experience skin irritation after insertion, discontinue and consider a dermatologist visit; irritation is rare but can signal sensitivity to fabric dyes or finishes.
Beyond PFAS: other things we checked
Established hazard classes for this product type, assessed from public information. These never change the PFAS grade; a Likely flag caps the Verdict at “Buy with care.”
Formaldehyde resins in fabric covering
Synthetic fabric coverings may use formaldehyde-based dyes or wrinkle-resistant finishes. No reports of formaldehyde release from Vionic insoles; insole exposure to skin is limited and brief compared to apparel worn all day. Risk is theoretical and not documented.
Azo dyes in fabric topcoat
Insole fabric may contain azo dyes, which can release harmful amines if degraded or over-processed. Vionic does not disclose dye chemistry. Risk is low because dyes are not in direct contact with living skin and insole lifespan is short.
Antimony in polyester fabric
If the fabric covering is polyester (likely), antimony may be present as a catalyst residue. Documented levels in finished textiles are typically below dermal concern. No recalls or complaints specific to Vionic insoles.
Polyurethane foam degradation and off-gassing
Polyurethane foam can off-gas volatile organic compounds (VOCs) when new, particularly in warm, enclosed footwear environments. This is mild and temporary; insoles are not in a sealed container and foot ventilation is typically adequate. No specific data on Vionic product off-gassing.
Gel or polymer topcoat leachables
Gel pads and memory foam topcoats are chemically stable at skin temperature and neutral pH. Risk of leaching into skin is negligible. No complaints or recalls documented for this product line.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 62% confidence. It is not a lab result.
No independent PFAS lab test is on record for this exact product. A lab test could move the score in either direction.
The brand has not made a specific, verifiable PFAS-free statement, so part of this score reflects that missing disclosure rather than a confirmed material.
Formulations and coatings change between production runs. Always check the current label before buying.
More athletic insoles & orthotics grades
How we score: every product runs through the same public 0–100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.