6 Pairs Pack Men's Thermal Grear Winter Hiking Thermal Socks 10-15 Size: 10-15 ( Fit men shoe size 10 -13 ) Materials : 50% Cotton , 30% Acrylic , 15% Polyester , 5% Elastic . Stay Up Performance top , Spandex for Better Fit, Extra Cushioning absorbs Socks Double layer insulation keeps your feet warms and comfort