Carhartt Women's 3 Pack Merino Wool Blend Slub Hiker Crew Socks 40% Polyester, 35% Acrylic, 11% Nylon, 10% Merino Wool, 3% Other Fibers, 1% Spandex Made in US Machine Wash Fast dry technology for quick wicking Fights odors Reduces blisters Arch support Cushioned sole absorbs shock