Ski-Doo 9290190901 - Replacement MPN: 9290190901 Lightweight M-FORGE Composite shell - 20% lighter that BV2S helmet and 16% lighter than the Modular helmet. Ratcheting quick release chin strap. Aerodynamic shape to reduce neck fatigue. Retractable sun visor with heating chamber. Amplified heated visor with pivot contact system. Ready to receive communication system. Operate all features with gloved hands. Unique remote control with visor heat indicators. eLinQ rear magnet connector. Controllable humidity extractor. 2 shell sizes for better fit and comfort. Recyclable helmet shell for minimal environmental impact. Prescription eyeglasses friendly. Reliable and durable anti-fog and anti-scratch.