Walls Men"s Crew Premium Work Socks, Black, 5-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: 62 percent cotton/35 percent polyester/2 percent nylon/1 percent lycra spandex * Care instructions: machine washable