Fibers: 30% CoolMax®, 30% Fresh FX, 19% Nylon, 16% Olefin, 5% Lycra Spandex
One sock. All sports. No irritating toe seam! All FEETURES socks have a unique combination of lycra, coolmax, and acrylic to create a powerful and supportive sock with a contoured fit. Coolmax helps keep feet dry by wicking away moisture.