Jockey Women's Socks Staycool Sport Socks - 6 Pack Solids: 62% cotton/ 21% rayon/ 16% nylon/ 1% spandex. Stripes: 58% cotton/22% nylon/19% rayon/1% spa Made in US Machine Wash Style 910005 work out in our gym-ready socks staycool uses dynamic moisture control technology to help keep your feet cool, dry, and comfortable cushioned sole for added comfort mesh for breathability