Come and see our amazing products. This athletic crew socks are made of cotton 50%, new polyester fiber 45%, polyurethane elastic fiber (spandex) 5%, featuring moisture-wicking/moisture-management fibers and air-circulating ventilation channels and keep your feet dry and comfortable. Size: Fit US shoes size. It's soft and thick, cushioned footbed, reinforced heel and toe. Feel really comfortable when doing any action and provide the best protection. Arch compression support and stability to reduce foot fatigue, keeps sock in place and provide extra protection against blister. The best for hiking, cycling, camping, running, jogging, mountain biking, travelling, lacrosse, tennis, golf and other outdoor activities. Customization is welcome. Pls confirm with us about the packing info, stock color and exact production time before placing your order.