This Drymax Sport Hyper Thin Run-Pixie Ninja Crew 3-Pack of running socks will help you go the distance. Crew-cut sits at the calf. Sold as three-pair pack. Dual-layer knit construction. Anti-slip, y-heel stitch fits around your heel for a better fit and helps keep your sock in place. Breathable mesh panels help keep your foot cool and dry. Seamless toe closure helps reduce chafing. 58 percent Drymax olefin, 24 percent polyester, 18 percent spandex. Machine wash, tumble dry. Made in the USA.