The Cool Master Energy Wrap helps you “Chill” away sweat during and after hard work or strenuous activates. This extraordinary absorbent material becomes cooler then the ambient air temperature when wet. The Cool Master Energy Wrap is perfect for any sport or activity. Just simply wet the towel and place on the back of your neck for instant “Chilling”. Weather your running, biking, golfing, or just watching, the Cool Master Energy Wrap will keep you cool and comfortable all day. And when you’re done, just place it back into the Cool Master Energy Wrap Container and place the adjustment ring back on the clip.