Fly Racing Street Odyssey Modular Helmet The Fly Racing Odyssey Modular Helmet features a poly blend shell designed with a Wind Tunnel Aerodynamic Design for quiet and comfort. The 2 in 1 Modular Design System consists of two modes: Street Mode / ADV Mode with Peak Visor EPS Reinforced Chin Bar. Features Advanced lightweight Polycarbonate Blend Shell Dual Density EPS adaptable to high and low speed impacts Dual D-Ring Chin Strap 2-shell sizes 3-Position optically superior clear face shield with anti-fog coating and durable hard coating for scratch resistance Tinted drop-down inner sun shield 100 Uva/B protection up to 400 nanometers Integrated Mouth Vent Anti-Fogging System Optional Pinlock Option (sold separately) Qwick - Dry comfort liner and cheeks pads Hydrophilic liner absorbs sweat and is perforated to provide plenty of ventilation Speaker pockets built into the EPS for Bluetooth/Comm systems Removable, washable interior and removable chin curtain Two Point Super-Vent System Top with integrated exhaust vent Negative Pressure Wave Exhaust Spoiler to evacuate hot air Includes Soft fleece helmet bag, color Matched Peak Visor, and Block off Plates DOT and ECE