Made of 85% Cotton, 13% Polyester and 2% Spandex, the .0 Gripped Anti-Slip socks feature a silicone anti-slip grip, with dual grip both inside and out to keep your boots and trainers in place. The ankles are contoured and the fabric is moisture wicking to keep the feet comfortable. Featuring wrap ventilation and compression, these socks are breathable and help circulation. Toe box protection keeps you safe during play. Ref: UTRD2915