The dexshell thermlite waterproof socks are fantastic over the ankle lightweight merino wool socks that will keep your feet dry and comfortable making them ideal for daily walking hiking and other outdoor activities in cold and wet conditions these socks have a three layer construction there is a durable outer layer with casual design a functional porelle membrane interlining that makes dexshell 100 waterproof and highly breathable and then the comfortable inner sock that has merino wool terry l