Radians Arctic Radwear® Cooling Wraps are made with Advanced ARCTIC™ Technology that accelerates the evaporative cooling process. Just soak the wrap in water for 2-3 minutes and then experience cooling relief for up to 5 hours. The Arctic Radwear® Cooling Wrap is designed to keep you cool during hot outdoor activities, such as construction work, tough workouts, or any strenuous outdoor or indoor activity.