Browning Hosiery Men's Merino Wool Wader Sock Wool Spandex Nylon 85% Merino Wool, 13% Nylon, 2% Spandex Extra long above the knee; 26 inch leg length; Reinforced heel and toe Full cushion leg and foot; Vented instep keeps you drier; Itch-free merino wool Machine wash warm, tumble dry low, no bleach United States