Point6 Lifestyle Medium Crew Merino Wool Socks, Black, Medium 72% Merino Wool/ 25% Nylon/ 3% Spandex Imported New Zealand merino wool socks: Merino wool - 73%; Spandex - 5%; Nylon - 22% Durable, long lasting and washable fabric. Breathable - help manage temperature and moisture Medium cushioning under the foot gives you just some extra support for long days at the office or on your feet These socks will keep your feet nice and warm  they are antimicrobial and resist odor-causing bacteria All Point6 socks are manufactured in the Southeastern United States, where we support domestic employees and communities