Bilt Nomad Hyper Modular Helmet The Bilt Nomad Modular Helmet injection molded shaped shell has been designed for maximum performance. Vented to allow air flow from front to back. Features a quick release chin bar and internal drop-down sun visor. Shell: Injection molded alloy composite modular shell Aggressive shell design with aerodynamic shape for sleek performance 2 shell sizes: Xs-2Xl and 3Xl-5Xl Shield: Clear Pinlock Ready face shield Drop-down tinted sun visor Comfort: Multi point surface mounted airflow ventilation system including chin, forehead, and metal mesh rear exhaust vents Removable moisture-wicking comfort padded lining and cheek pads have a antimicrobial finish to help keep your helmet fresh Safety: DOT certified Double D-ring strap safety fastening system Quick release push button chin-bar operation