point6 Ultra Light Cushion 3/4 Crew Socks 59% Merino Wool/ 37% Nylon/ 4% Spandex Imported 59% merino wool, 37% nlyon, 4% spandex Maintain optimum body temperature at 98point6 degrees (this is where we get our name). Wool does this! Taller silhouette protects against road debris. No cushion for performance fit machine wash and dry, warm. No bleach. Turn inside out for best results. China