Prevents blisters, thermal insulation, thick fabric, high durability, compression design [Specifications] Color: Set of 3 colors Men's L (24.5cm - 28cm) Material: 85% Combed Cotton, 13% Nylon, 2% Polyurethane Ideal for beginner mountaineers: These socks are perfect for climbing shoes. The partial compression provides an outstanding fit, making mountaineering more enjoyable. They are also durable and can be used for a long time. Ergonomic design: The heel and toe are durable, perfect for various sports. Multi-functional socks: These socks provide excellent cold protection and thermal insulation. The thicker toe area prevents injuries. They also prevent blisters on the heel and are breathable. Why choose these socks over others: Cotton socks can cause blisters due to sweat and friction between wet socks and feet. Wool socks tend to pill quickly.