Is Wigwam PFAS-free?
Across 16 graded products, Wigwam averages F (57/100). 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
Wigwam
Merino Trek Hiker Lightweight Crew Socks
Merino wool blend (primary); standard construction
Lower concern; plain merino socks with no water-repellent finish, but brand offers no PFAS transparency.
⚠Risky category by default
Wigwam
Hiking Outdoor Midweight Crew Socks
Acrylic blend or merino wool mix (typical Wigwam hiking sock composition); no water-repellent coating (water-repellent coating) treatment di
Lower-concern choice; wool/acrylic socks without marketed water treatment sidestep most PFAS pathways.
⚠Risky category by default
Wigwam
Cool Lite Hiker Pro Crew Socks
Merino wool blend, nylon, elastane
Lower-concern socks; natural fiber base with no known water-repellent coating or performance coatings typical of PFAS risk.
⚠Risky category by default
Wigwam
Cl2 Hiker Pro Low Socks
Merino wool blend, no specified water treatment
Lower-concern choice; Wigwam discloses no PFAS treatment, and Merino wool socks rarely require water-repellent coating coatings.
⚠Risky category by default
Wigwam
Cool-Lite Hiker Crew Socks - undefined
Acrylic/wool blend or synthetic blend fabric (typical for Wigwam hikers)
Lower concern, no water treatment disclosed, but standard hiking socks unlikely to require PFAS water-repellent coating.
⚠Risky category by default
Wigwam
625 Wool Sock
merino wool blend
Lower PFAS concern, wool sock without water treatment.
⚠Risky category by default
Wigwam
Ultra Cool Lite Low Socks
Cotton blend, no reported treatment
Lower concern baseline socks, no water-repellent coating treatment evident.
⚠Risky category by default
Wigwam
Men's Cool Lite Pro Low Cut Socks
Acrylic/nylon blend, no known PFAS treatment
Lower concern. Basic athletic socks with no known PFAS treatments.
⚠Risky category by default
Wigwam
Women's Mt. Whitney NXT Socks
Merino wool and nylon blend
Lower concern; wool-based sock without waterproof treatment.
⚠Risky category by default
Wigwam
Ultra Cool Lite Quarter Socks
Cotton, nylon, elastic blend
Lower concern. Uncoated athletic socks without water-resistant finish.
⚠Risky category by default
Wigwam
Ultra Cool Lite Quarter Socks 3-Pack
Cotton-blend athletic quarter socks, no described coating
Lower concern. Bare textile socks unlikely to contain PFAS.
⚠Risky category by default
Wigwam
Women's Cool-Lite Low-Cut Crew Cut Socks
Cotton/polyester blend, no water-resistant treatment
Lower concern; basic crew socks without water-resistant finish.
⚠Risky category by default
Wigwam
Ridge Mid-Crew Lightweight Socks
Merino wool blend, standard textile construction
Lower concern. Standard wool sock with no known PFAS treatment.
⚠Risky category by default
Wigwam
CL2 Hiker Pro Crew
merino wool blend with water-repellent coating finish
Lower concern than synthetic alternatives, but water-repellent coating treatment source unclear, contact Wigwam for transparency.
⚠Waterproof or stain-proof treatment
Wigwam
Snow Shield Sock
Wool blend with water-repellent treatment (composition unspecified by brand)
Moderate caution: wool-based socks likely lower PFAS risk, but water-repellent coating treatment is unspecified.
⚠Waterproof or stain-proof treatment
Wigwam
Hiking Outdoor Pro
Merino wool blend with water-repellent coating (water-repellent coating) treatment
Skip until Wigwam discloses water-repellent coating chemistry, hiking socks need water resistance, but treatment type is unknown.
⚠Waterproof or stain-proof treatment
Every grade uses the same public rubric. How grades work →