Is Fox River PFAS-free?
Across 14 graded products, Fox River averages F (39/100). On disclosure, the brand says nothing publicly about PFAS. None of its products grade C or better yet. Grades are model-based estimates, not lab results.
Graded and flagged D and F, we’d swap these
Fox River
Men's Wick Dry Classic Crew Socks
Merino wool blend, acrylic, nylon
Lower concern, basic moisture-wicking socks with no obvious PFAS-prone treatments, but brand offers no reassurance.
⚠Risky category by default
Fox River
Wick Dry Classic Quarter Crew Socks
merino wool blend, acrylic, polyester
Lower PFAS concern, basic sock with no water-repellent finish, but brand makes no public PFAS commitment.
⚠Risky category by default
Fox River
Men's Explorer Wick-Dry Socks
Merino wool blend, acrylic, nylon; no Teflon-type coating or Teflon-family coating disclosed
Lower concern; conventional sock with no known PFAS-prone treatments, but no transparency on moisture-wicking chemistry.
⚠Risky category by default
Fox River
Men's Fox River Basecamp 2.0 Ankle Socks
Merino wool blend (primary material)
Lower PFAS concern for a basic wool-blend sock with no waterproofing claims.
⚠Risky category by default
Fox River
Men's Physical Trainer Lightweight Quarter Crew Socks (2 Pack)
Acrylic, nylon, polyester blend; no waterproofing or stain treatment disclosed
Lower PFAS concern, plain athletic socks with no water/stain treatment claimed.
⚠Risky category by default
Fox River
Men's Fox RIVER Maquoketa Medium Weight Crew Hiking Sock
wool blend (primary fiber, no specialized coating disclosed)
Lower-concern choice; traditional wool hiking sock with no known PFAS-prone treatments.
⚠Risky category by default
Fox River
Men's Fox River Trail Pack
Merino wool blend with water-repellent coating finish
Skip until brand discloses water-repellent coating chemistry, typical wool socks use PFAS treatments.
⚠Waterproof or stain-proof treatment
Fox River
Alturas Wick Dry
Merino wool blend with Wick Dry moisture-wicking treatment
Lower concern for PFAS, but brand silence on treatment chemistry leaves some uncertainty.
⚠Waterproof or stain-proof treatment
Fox River
Wick Dry Triathlon Lightweight Crew Running Socks
Acrylic/polyester blend with water-repellent coating (water-repellent coating) treatment
water-repellent coating-treated athletic socks pose moderate PFAS concern; brand discloses no treatment details.
⚠Waterproof or stain-proof treatment
Fox River
Men's Wick Dry Tramper Crew Socks
Merino wool blend with moisture-wicking treatment (water-repellent coating likely)
Lower confidence. No PFAS claim, likely water-repellent coating-treated, standard risk for outdoor socks.
⚠Waterproof or stain-proof treatment
Fox River
Men's Wick Dry Outlander
Merino wool blend with Wick Dry moisture-wicking treatment
Lower PFAS concern, but Fox River doesn't disclose water-repellent coating chemistry, merino base mitigates risk.
⚠Waterproof or stain-proof treatment
Fox River
Trailhead Crew
Merino wool blend with water-repellent coating finish
Lower PFAS risk than synthetic outerwear, but water-repellent coating treatment unspecified, contact brand for clarity.
⚠Waterproof or stain-proof treatment
Fox River
Men's Trailmaster Crew
Merino wool blend with water-repellent coating finish
Crew socks with standard water-repellent coating treatment, lower concern but brand discloses nothing about PFAS alternatives.
⚠Waterproof or stain-proof treatment
Fox River
Men's Wick Dry Outlander Heavyweight Socks (2-Pack)
Merino wool blend with Wick Dry moisture-wicking treatment
Skip unless Fox River discloses Wick Dry treatment chemistry, water-repellent coating coatings commonly contain PFAS.
⚠Waterproof or stain-proof treatment
Every grade uses the same public rubric. How grades work →