Jockey Men's Socks Color Tab Back No Show - 3 Pack 67% cotton/ 23% nylon/ 6% polyester/2% rayon/ 2% spandex. Machine wash and dry. Made in the U.S.A. Made in US Machine Wash Style 900229 men's no show socks feature moisture control technology to keep your feet cool and dry 360-degree stretch allows for the perfect fit cushioned sole, super soft fabric blend and smooth toe seam for a comfortable fit advanced heel construction for durability