Dexshell Wading Waterproof Socks Completely waterproof up to knee Highly breathable close fitting over the calf In cuff seal stops water splashing down into the sock - intermittently submergible Merino wool inner sock, Porrelle waterproof mid sock, hard wearing nylon outer sock. Ideal for Fishing, Canoeing, Hunting etc. or activities where you need to wade in water