Smartwool · Sports Performance Undergarments
Smartwool Men's Run Targeted Cushion Mid Crew Socks
Lower concern. Natural fiber socks unlikely to contain PFAS.
Merino wool with nylon reinforcement has no water-repellent coating treatment or stain-resistant coating typical of high-PFAS risk. Brand discloses no PFAS stance.
Still want this one anyway? Check the price on Amazon. We’d swap it.
Material
Merino wool blend with synthetic nylon reinforcement
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
What we don’t know
- Basis
- Model estimate, 72% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Smartwool has made none
Formulations change between production runs, so check the current label. How we grade.
More sports performance undergarments 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.