The Farm & Factory compression work sock is ideal for anyone who works hard for countless hours on their feet. Our graduated compression designs stabilizes muscles providing less fatigue & tissue damage through improved circulation. Additional comfort is provided by the socks unique no bunch construction, fortified heel & toe and extra grip sole. Sizing Guide: Small (M 5-8/W 6-9.5) Medium (M 8-10/W 9.5-11) Large (M 10-12)