Walls Men"s Quarter Premium Work Socks, Black, 2-Pair: * Made with Coolmax for moisture management that keeps feet dry * Made with Lycra Spandex for superior stretch and fit * Cushioned sole for comfort and absorbtion * Durable reinforced heel and toe * Fabric content: 40 percent nylon/35 percent cotton/23 percent polyester/2 percent lycra spandex * Care instructions: machine washable