Clear vision is key in snowy terrain, and the DOT-certified Ski-Doo Exome Helmet is designed to help you focus on the trail ahead. A dual-lens anti-fog visor and Breath Evac fog-resistant mask system ensure your line of sight remains clear in any conditions, while the fit is eyeglass-ready. Those enhancements are standouts in a modular helmet that boasts an advanced plastic composite shell with two sizes so you can choose the right fit and a quick-release chin strap to accommodate an easy on/off. Materials & Construction Breath Evac System: Fog-resistant breathguard mask system.