Our new winter style keeps you warm while being active! Line Max is knitted with triple-ply wool blends for warmth and moisture-wicking abilities. The brushed interior makes this style extra cushiony and comfortable. Think of Line Max as a nice cozy hug for your feet. Content: 64% Polyester, 15%Nylon, 14% Acrylic, 5% Wool, 1% Polyurethane