DARN TOUGH RUN 1/4 UL RUNNING COLOR:BLACK L-Histidine

L-Histidine

• Super-light 1" soft non-chafing elastic for optimal race-day comfort

6-pin spike plate

Contoured cork-latex footbed creates custom support with wear

Made to replace the removable liner in moderate to tight-fitting running and walking shoes

DARN TOUGH RUN 1/4 UL RUNNING COLOR:BLACK L-HistidineTake on everything from single track training to jeep road crushers in the smooth and ultra lightweight fit of the redesigned running sock. Its added ankle coverage sports silky next to skin ribbing, with breathable flex zones in the forefoot and fatigue zapping arch support. Height: Quarter Weight: Ultra Lightweight 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