We know the CAMP USA Speed Ski Mountaineer Helmet is made out of solid matter because we can see it. But it weighs so little, youre hard-pressed to actually feel it. This helmets feather-light weight makes it a favorite for ounce-conscious undertakings like competitive ski mountaineering and superfast climbs. Although CAMP dedicated plenty of research to shaving grams off its weight, they didnt skimp on safety or performance22 vent holes keep you cool as your body works at its top pace, and an EPS main structure with a polycarbonate shell protects you from impact. Rest your headlamp securely in the front.