Lightweight protection meets all-day comfort in the Smith Altus Helmet, a sleek design built for skiers who move fast in the mountains. In-mold construction and Aerocore ventilation keep weight low while maximizing airflow to reduce fog and regulate temperature on long climbs and stormy descents. A plush XT2 antibacterial liner and micro-adjustable fit system deliver dialed comfort, so you can focus on the line ahead with confidence.