For those looking for the perfect everyday sock, the Incrediwear Active Socks? breathable design incorporates moisture-wicking technology to provide effortless comfort throughout the day. The Active Socks relieve fatigue when spending long hours on your feet and can be used for a variety of activities including walking, running, or training. TECHNOLOGY AND SPECS: Incrediwear?s signature fabric blend is embedded with semiconductor elements to provide effortless comfort and exceptional durability Effortless comfort Wash and Care Instructions: The Incrediwear Active Socks are easy to clean. Wash warm or cold. Tumble dry low. Do not bleach, iron or dry clean. Sizing: Based on shoe size (Package contain a pair)