It's a beanie, it's a balaclava, it's a face covering! The multi-functional ActiveIce Ubertube wicks away perspiration in summer heat and provides just enough warmth during cold-weather, high-exertion activity. Complete with ActiveIce technology, this neck gaiter uses xylitol crystals to actually cool you as you sweat. It can be used for so many things, it'll soon become a staple piece of gear on every one of your adventures.