Crafted to handle the harsh blows of winter, the Kootney sock offers just-right warmth and comfort. A Shin Guard Double Cush Front adds an extra layer of protection if you have any missteps on the rails. And with the built in Cush Mapping Ankle & Footbed these are just what you need for an all day go on the hill. Light Weight Sock. 38% Wool. 38% Acrylic. 14% PA. 6% PP. 4% EA. Cush Mapping Ankle & Footbed. Stay Up Cuff. Impact Zone Cushion. Air Channel. Right & Left Toe Construction. Fitted Toe Box. Bubble Grip Arch Support. Y Heel.