Feetures! took great pride in creating the Elite Light Cushion No Show Tab Sock, and it shows in the details. Smooth, synthetic material and ventilation panels help sweat and moisture move away from your skin while carefully constructed seams and strategically placed cushioning ensure your comfort over the long run. Combined, the fit and features help this sock become one with your foot in a way that you won"t find in any other footwear. Product FeaturesMaterial: 79% iWick nylon, 13% polyester, 8% LycraHeight: below ankleClaimed Weight: lightweightRecommended Use: road running, trail runningManufacturer Warranty: lifetime