Jockey Men's Socks Staycool Casual Ribbed Crew - 3 Pack Solids: 59% cotton/ 23% rayon/ 16% nylon/ 2% spandex. Heathers: 33% polyester/ 27% cotton/ 22% rayon Made in US Machine Wash Style 900012 Jockey&reg; staycool socks are made with moisture control technology helps keep your feet cool and dry socks feature 360-degree stretch for the perfect fit smooth toe seam and super soft construction for lasting comfort durable heel construction