Designed for distance runners participating in half, full, ultra and endurance events, the Thorlos Unisex XPTU Experia Prolite No-Show Tab Socks keep your feet cool and dry. Using NanoGLIDE fibers to help minimize friction and to help stop blisters from forming, these socks will help you cross the finish line in comfort. With an aero-dynamic design for an enhanced fit, these socks will help keep your feet pain free.