Carhartt Force Crew Socks enable you to put in long days on the worksite in comfort.. . . . . 3 Pack. 96% Polyester/3% Spandex/1% Nylon. FastDry wicks away sweat. Fights odor. Heel, arch and toe cushioning. Arch support. Ribbed channels improve ventilation on leg. Mesh instep for breathability. Machine wash. Imported.