The Womens Smartwool Cozy Socks are ultra soft. Made of 90% SmartWool/8% Nylon/ 2% Elastic, The Cozy Socks keep your feet comfortably dry. The SmartWool Cozy Socks lightly supports your arches and keeps your socks in place. With SmartWool you always get naturally antimicrobial/ odor control socks, temperature regulation, and the wicking moisture management of natural materials that keep your feet dry. The Womens SmartWool Cozy Socks have a name that says it all.