Dry the wet and sweat out of all headgear with Helmet Hog and MaxxDryXL! Whether street bikes, dirt bikes, four wheelers, snowmobiles, football, hockey, or fast racing cars, the Helmet Hog eliminates helmet odor caused by sweat, bacteria, and mildew. The sensible patent pending design gently directs and circulates warm air from the MaxxDryXL through the interior of the helmet to dry and refresh your headgear between rides, practice sessions, races, or games. Completely do away with putting on that unfriendly wet helmet!