Wet feet are a thing of the past with DexShell’s 100% waterproof socks. DexShell’s revolutionary technology means that being 100% waterproof doesn’t mean you have to compromise on breathability either. The patented Porelle membrane that blocks water molecules getting through also wicks sweat away, leaving your feet dry and comfortable at all times. The Trekking Sock is a mid- calf, mid weight merino wool sock. It is specially developed for tramping in arduous, wet environments. DexShell's 100% Waterproof socks have a unique 3 ply construction to give you the ultimate in comfort and warmth. 100% waterproof - keeps your feet completely warm and dry Breathable - wicks sweat away from your feet Close fitting - fits snugly and comfortably.