Wigwam Men's Outlast Hiker Socks, Charcoal, Sock Size:10-13/Shoe Size: 6-12 42% Nylon/38% Acrylic/16% Wool/4% Spandex Made in US Machine Wash Us manufactured quality Utilizes outlast fibers to balance foot temperature A mid-weight design with cushioned sole Foot hugging comfort and performance Has seamless toe closure for comfort and protection