This is a mid-calf, mid-weight COOLMAX sock with terry loop cushioning. It's highly durable and suitable for cycling, riding, running and a wide range of professional outdoor sports in wet environments. The DexShell Coolvent Waterproof socks are a mid-calf, mid-weight Coolmax terry loop sock with Coolmax FX inner liner with a cushioned footbed. They're incredibly durable and suitable for daily walking, hiking, and other outdoor activities in cold and wet weather conditions, such as cycling, riding, running and a wide range of professional outdoor sports in wet environments. Material details: Outer Shell: 96% Nylon, 3% Elastane, 1% Cuff Elastics; Interlining: Porelle Membrane; Inner Sock: 76% Coolermax FX Yarns, 24% Nylon. Care: Hand wash or machine wash below 40°C. Tumble dry low. Do not iron. Do not twist. KEEP AWAY FROM DIRECT HEAT WHEN DRYING.