NIKE Unisex Performance Cushion Crew Socks (6 Pairs) Perfect combination of cushioning and comfort. Supportive fit with arch compression. Reinforced heel and toe for enhanced durability. With DRI-FIT Technology. Size: Medium (Men 6-8, Women 6-10) Large (Men 8-12 / Women 10-13) Fabric: 76% Cotton/21% Nylon/2% Spandex/1% Polyester Care Instructions: Machine Wash Origin: Imported (Made In Honduras) Reinforced heel and toe for enhanced durability in high-wear areas Rib cuffs for a snug, comfortable fit Arch support for a secure fit