Walls Men"s Quarter Premium Work Socks, Black, 4-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: 61 percent polyester/32 percent Coolmax polyester/4 percent nylon/3 percent lycra spandex * Care instructions: machine washable