Designed with the elite athlete in mind, the SockGuy SGX are guaranteed to be the most comfortable performance socks you'll ever wear. Made with a unique blend of polypropylene, nylon and spandex fabrics, the SockGuy SGX Colorado 6" Socks wick sweat, breathe well and enhance ventilation. Compression ribbing cuff, snug arch band and reduced friction profile give streamlined support and encourage blood flow to prevent fatigue. Reinforced heel and toe add durability and Stretch-to-Fit sizing system provides a custom fit. Unique graphics created by award-winning artists capture cool up-to-the-minute trends and designs.