65/ 100
D
OverallF57/100
Cotton Insole

Pedag · Synthetic Athletic Insoles

Cotton Insole

D · Elevated

Lower concern. Cotton inherently PFAS-free; backing unknown.

Verdict: SkipCotton insoles are low-risk; Pedag's silence on PFAS is a minor transparency gap but cotton itself avoids synthetic chemical hazards.

Cotton insoles carry minimal PFAS risk since cotton itself is safe. Backing material unclear but unlikely to require fluorochemicals for basic insole function.

Still want this one anyway? Check the price on Amazon. We’d swap it.

Material

Cotton with possible latex or synthetic backing

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).

Helps the grade

Category baseline

clothing is a category where PFAS exposure is more common.

Hurts the grade

No PFAS disclosure

No public statement about PFAS in this product.

Hurts the grade

The full breakdown

What it's made of and why it matters

Pedag cotton insoles are primarily woven or non-woven cotton, which is a natural cellulose fiber free from the synthetic polymer hazards (BPA, phthalates) common in foam or plastic-based alternatives. The backing material is the uncertainty here: typical cotton insole constructions use latex rubber or synthetic adhesive/polymer bases to add cushioning and durability. Cotton itself does not off-gas VOCs or formaldehyde; risk depends entirely on the glue and backing formulation, which Pedag does not publicly specify.

The brand's record and disclosure

Pedag is a German footwear accessories manufacturer with a long history (founded 1906) but maintains minimal public disclosure of material sourcing, production practices, or chemical use. No major safety recalls or formaldehyde/heavy-metal incidents appear in public records for Pedag insoles. The brand does not publish PFAS statements or third-party certifications (e.g., Oeko-Tex, GOTS), leaving the backing and adhesive composition opaque to consumers.

How it compares in its category

Cotton insoles sit in the mid-range safety profile of foot-care textiles. They avoid the microplastic shedding risk of synthetic foam insoles and the potential for azo dyes or antimony migration common in polyester-heavy products. However, without certified organic cotton or transparent backing disclosure, they offer less assurance than GOTS-certified or latex-free alternatives marketed for sensitive skin. Most mass-market insoles (Superfeet, Dr. Scholl's) offer similar or lower transparency.

If you buy it

Machine wash or gently hand wash in warm water; air dry flat to avoid degradation of adhesive backing. Replace every 6-12 months depending on wear, as aged backing may degrade and shed particulates. Avoid prolonged heat exposure (high-temperature dryers) as synthetic backing can soften. If you have latex sensitivity, contact Pedag directly to confirm backing material before purchase, as product specifications do not clearly distinguish latex-free variants.

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.”

Possible

Adhesive/backing composition (unknown)

Pedag does not disclose adhesive or backing material (latex vs. synthetic polymer). Uncertified adhesives may off-gas volatile organic compounds (VOCs) or formaldehyde releasers, particularly if backing is synthetic rubber or polyurethane. Risk is low for typical use in open footwear but elevated if worn in enclosed spaces.

Possible

Latex sensitization (conditional)

If backing contains natural latex rubber, individuals with latex allergy or cross-reactivity (e.g., birch pollen sensitivity) may experience allergic contact dermatitis. Pedag does not specify latex-free options publicly, making pre-purchase verification necessary for sensitive users.

None known

Formaldehyde in cotton finishes

No established reports of formaldehyde-release finishes in Pedag cotton insoles. Industrial cotton textiles sometimes use formaldehyde resins for wrinkle resistance; absent certification (Oeko-Tex, GOTS), this remains unconfirmed but unlikely to present acute risk in foot-contact insoles.

None known

Heavy metals in dyes or pigments

Cotton insoles typically require minimal dyeing; no public records of lead, cadmium, or azo dye issues in Pedag products. Risk is theoretical and consistent with the broader safety profile of undyed or naturally colored cotton textiles.

None known

Azo dyes or antimony in synthetic components

If backing contains polyester or other synthetics, azo dyes or antimony catalyst residues are a theoretical concern. No recalls or testing data are available for Pedag insoles; risk is lower than in synthetic-dominant footwear.

What we don’t know

This grade is a model-based estimate from public materials, coatings, and brand disclosure at 75% 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 synthetic athletic insoles 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.