68% Polyester, 15% Cotton, 14% Nylon, 3% Spandex Imported Shoe Size: Men 4-8, Women: 6-9 No-slip ArmourGrip on the bottom of forefoot helps keep your socks in place Max cushioning in toe, forefoot and heel for added protection where you need it most 360 ankle cushioning for a secure fit in shoe Dynamic arch support reduces foot fatigue Fitted heel contours around foot for a better fit Left/right specific fit and design Material wicks sweat and dries fast