Carhartt Men's Steel-Toe Cotton Crew Work Socks 61% Cotton, 20% Polyester, 10% Nylon, 8% Acrylic, 1% Lycraspandex Made in US Machine Wash Super abrasion resistant Coralast fibers Smooth toe seam for comfort Stretch material for a contoured fit Dense terry foot bed cushioning Odor control keeps socks feeling fresh