Kirkland Signature Men's Cushioned Crew Sock 6-Pack 25% polyester Moisture Wicking and Smooth Toe Seam Ring-spun cotton, Cushioning in foot bottom Large: Fits mens shoe size 8-12, X-Large: Fits mens shoe size 13+ 60% Cotton, 25% Polyester, 14% Nylon, 1% Spandex Made in USA