Made with Advanced ARCTIC™ Technology that accelerates the evaporative cooling process. Just soak band in water for 2-3 minutes and then wear it for up to 5 hours of cooling relief. Stretch-fit spandex design allows the band to move with wearer's body, not against it, allowing for optimum blood circulation, keeping wearer cooler and providing a noticeably more comfortable fit than standard headbands. Designed to keep wearer cool during hot outdoor activities, such as construction work, tough workouts, or any strenuous outdoor or indoor activity.