Sealskinz Raynham Waterproof All Weather Mid Length Sock

The original, 100% waterproof, windproof & breathable mid length sock. Perfect for use in a wide variety of weather conditions. We pioneered the use of a unique hydrophilic membrane that&';s 100% waterproof yet pulls moisture away from your skin at the molecular level -- keeping you dry and cool all at the same time. And with a Hydrostatic Head of >20,000mm, our socks stay waterproof under the toughest of conditions. a Outer Layer - 62% Polycolon, 29% Nylon, 9% Elastanea Middle Layer - 100% Hydrophilic Membranea Inner Layer - 36% Merino Wool, 36% Acrylic, 18% Polyester, 5% Nylon, 5% Elastane Socks S M L XL UK shoe size 3 - 5 6 - 8 9 - 11 12 - 14 Euro shoe size 36 - 38 39 - 42 43 - 46 47 - 49 US shoe size (Men) 3.5 - 6 7 - 9 10 - 12 13 - 15 US shoe size (Women) 5 - 7 8 - 10 11 - 12