Radians Arctic Radwear® Head Shades are made with Advanced ARCTIC™ Technology that accelerates the evaporative cooling process.  Just soak the band in water for 2 – 3 minutes and then wear it for up to 5 hours of cooling relief.  Our patent pending stretch-fit spandex design allows the band to move with your body, not against it, allowing for optimum blood circulation, keeping you cooler and providing a noticeably more comfortable fit than standard headbands .  The Arctic Radwear® Head Shade is designed to keep you cool during hot outdoor activities, such as construction work, tough workouts, or any strenuous outdoor or indoor activity.