Ultimax Pro enhanced with Dri-release Tencel for rapid moisture evaporation, FreshGuard embedded in fiber eliminates odor. Features foot hugging fit, lightweight instep, cushioned sole and leg and seamless toe closure. Fabric content: 42% X2O Acrylic, 34% Dri-release Tencel (88% Polyester, 12% Tencel), 22% Stretch Nylon, 1% Stretch Polyester, 1% Spandex.