Nike Men`s Dri-FIT Cotton Swoosh HBR Crew Socks 3 Pack Imported Dri-FIT cotton fabric pulls away sweat to help keep your feet dry and cool. Reinforced toe and heel provides extra durability in high wear areas. Secure, snug fit provided by an arch support. Classic crew silhouette. Trademark Swoosh design on back of sock for added style detail. Sock Size: Small= Shoe Size: Women's 4-6, Kids' 3Y-5Y Sock Size: Medium = Shoe Size: Mens 6-8, Womens 6-10 Sock Size: Large = Shoe Size: Mens 8-12, Womens 10-13 Sock Size: X Large = Shoe Size: Mens 12-15