Extremities Evolution Waterproof Socks are innovative, technical waterproof socks designed with a breathable stretch waterproof bonded membrane to ensure your feet stay dry and warm in very wet conditions. From the excellent Extremities range of waterproof clothing, the Evolution sock has a seamless construction for your comfort and a soft warm lining close to the skin layer. Go out in the wet and stay confident that your feet will remain bone dry in these lightweight, highly breathable, waterproof socks. Available in Medium (UK 6-8), Large (UK 9 - 11), Extra Large (UK 12+) and in Black Made from a technical construction - Outer is made from 60% Nylon, 20% Elastane, 17% Rubber and Inner is made from 80% Viscose Fibre for soft touch feel and 20% Wool for warmth - the socks will ensure your feet keep out the wet and allow perspiration and moisture build up out to leave your feet dry Stretch waterproof bonded membrane Seamless construction for your foot comfort Lightweight feel ideal within your walking boots and other footwear Highly breathable ensures feet stay dry no matter how active you are X-Dry by Extremities - waterproof guaranteed Size: M (6-8), L (9-11), XL (12 +)