Jockey Women's Socks Staycool Stretch Comfort Socks - 3 Pack 61% cotton/ 20% rayon/ 18% nylon/ 1% spandex. Machine wash and dry. Made in the U.S.A. Style 910034 our most comfortable socks ever! innovative 360&deg; stretch technology offers superior stretch for the perfect fit and comfort. moisture control technology helps keep your feet cool, dry and comfortable advanced heel construction and smooth toe seam