Darn Tough Men's Run Quarter Ultra-Lightweight Running Sock

Take on everything from single track training to jeep road crushers in the smooth and ultra-lightweight fit of our redesigned ¼ running sock. Its added ankle coverage sports silky next-to-skin ribbing with breathable flex zones in the forefoot and fatigue-zapping arch support. Performance Fit: No slipping no bunching and no blisters. Fine Gauge Knitting: Unprecedented durability and our unique “put it on forget it’s on” feel. Fast Action Wicking: Pulls moisture away from skin. Fast drying. All Weather Performance: Cool in the summer warm in the winter. Guaranteed For Life: No strings. No conditions. For life. Merino Wool is fast drying breathable and odor resistant for all-day comfort. Sock Size Shoe Size Men / Unisex Men US Women US EU UK XS 2.5 - 5 4.5 - 7 35 - 37.5 2.5 - 4.5 S 5.5 - 7.5 7.5 - 9.5 38 - 40.5 5 - 7 M 8 - 9.5 10 - 11.5 41 - 42.5 7.5 - 9 L 10 - 12 12 - 14 43 - 45.5 9.5 - 11.5 XL 12.5 - 14.5 — 46 - 49.5 12 - 14 XXL 15 - 17 — 50 - 53 15 - 16