Total Warmth and Protection. The easiest way to stay warm. The Patented Combo Clava keeps you warm with total coverage for ears, face, head, and neck the Combo Clava is the ultimate in cold weather gear. Designed to fit with goggles, the contoured mask diverts breath down and away from the eyes to help prevent fogging. A balaclava that is comfortable enough to wear all day by itself or under a helmet.