Quick Drying fabric technology and bold styling make the Socks 3.0 a go-to choice for MTB or cycling. The knitted elastic cuff prevents slippage, and a reinforced heel and toe offer greater wearability mile after mile in this sock that evokes elevated performance. Materials: 68% Polyester, 21% Polyamide, 6% Elastane, 5% Polypropilene. Quick Drying fabric technology. Knitted elastic cuff . Reinforced heel and toe.