Carhartt All-Season Steel-Toe Cotton Crew Work Socks 66% Cotton, 23% Nylon, 10% Acrylic, 1% Lycra Spandex Made in the USA and Imported Elastic closure Machine Wash Soft, premium cotton for breathable comfort Antimicrobial technology fights the toughest odors so socks stay fresh all day along Perfect to pair with steel toe shoes or boots Stretch material for a superior fit Extra reinforcement in the heel and toe provides durability for longer wear