Wigwam Men's at Work Foreman Midweight Cushioned Sole Crew Sock 63% Cotton, 18% Polyester, 10% Acrylic, 8% Nylon, 1% Elastane Made in US Machine Wash Usa manufactured with a 2 year performance guarantee Features the comfort of cotton and acrylic combined with the durability of polyester Wigwam 100+ year legacy of proven fit, comfort and durability Midweight cushioned sole and dry low heel gore Men's sock sizes - medium (fits US shoe size 5-9.5), large (fits US shoe size 9-12), x-large (fits US shoe size 12-15)