The no-show wool running socks feature next generation yarns to provide the most comfortable running sock available. The wool running socks are made of a blend of blend of merino wool, polypropylene, nylon, and spandex. Feet are kept dry thanks to advanced properties of the non-itch wool yarn. No-Show Wool Running Socks Sizing: Mens Small: US 5-8.5 Medium: US 9-11 Large: US 11.5 - up
Womens: Small: US 6 - 9 Medium: US 9.5 - 12 Large: US 12.5 - up