Material : Polyester Spandex Nylon Elastic Reinforcement Sole : 1) Strong stitches on the foot make the socks less likely to perforate and last longer 2) Elastic Cuff 3) Strong rubber so that elasticity of the socks is strong, not easy to stretch and durable 4) Have holder on the socks so the socks can't sag or feel loose All size for unisex Made by Europe machine and high quality material, give comfortable whoever use it. Usable in daily routine or when do a sport.