The DexShell Terrain Walking Socks are waterproof windproof and breathable socks with a Coolmax reg anti-bacterial inner which has a terry loop cushioning pad from heel to toe to provide blister free protection while delivering dry comfort in wet conditions All DexShell waterproof socks have a three layer bonded construction which features a waterproof breathable Porelle reg membrane in-between a flexible drip-dry outer and in this case a Coolmax lining for maximum comfort and protection These waterproof walking socks have a 3 out of 5 thermal rating which make them ideal for keeping your feet dry warm and comfortable during the spring and autumn seasons