This Thorlos Lite Running Micro-Mini 3-Pair Pack of socks is designed for those who prefer a thin product during their endurance runs. No-show socks that sit just out of sight and help keep your feet feeling dry and comfy. Sold as a three-pair pack. THOR-WICK COOL fabric wicks moisture away from the skin to keep feet feeling cooler and drier. Lightweight but dense terry padding is added to ball and heel for added protection. Lightweight padding in arch provides protection and a better fit. 70 percent THOR-WICK COOL, 28 percent Nylon, 2 percent Spandex. Machine wash, tumble dry. Made in the USA.