Opt for the Marmot Lightweight Balaclava when you need a little extra warmth on your next day up at the resort. This lightweight fleece head covering seals your heat close to your head, and the Cocona performance technology fights bacterial odor so you don't smell your own bad breath all day. The Lightweight Balaclava's ergomnomic 6-panel design ensures a comfortable fit whether you wear it alone, or under a helmet.