Nike Men`s Elite Vapor 2.0 Football Socks Low-profile padding at the ankle and achilles for extra support. Zonal cushioning helps relieve pressure from cleats for added comfort. Made with a close-fit rib system for a snug fit. Sock Size: Small= Shoe Size: Womens 4-6, Kids 3Y-5Y Sock Size: Medium= Shoe Size: Mens 6-8, Womens 6-10, Kids 5Y-7Y Sock Size: Large= Shoe Size: Mens 8-12, Womens 10-13 Sock Size: X Large= Shoe Size: Mens 12-15 Nylon/Polyester/Cotton/Spandex