The Icon Mainframe Bombshell Gogo helmet was designed with fit, function, and the rider's safety in mind. The Mainframe helmet features a venturi super-vent system for the ultimate in airflow. A three position forehead switch acts as an additional ram-air vent to significantly increase the overall cooling of the helmet. The shell is constructed of a Dyneema/Fiberglass composite and is lined with a dual-density styrene liner for incredible strength without undue weight. Also incorporated into the design are removable/washable cheek pads, a removable anti-fog breath deflector, and the industry's easiest no-tool quick change shield. Dyneema/Fiberglass composite shell for strength. DOT and SNELL M2005 approved (North America) ECE 22-05 approved (Europe). Super-vent venturi cooling system. Secondary ram-air forehead vent. Fully removable/washable cheekpads. Internal on/off cheek exhaust switch. Removable molded breath deflector reduces shield fogging. Positive-lock chin venting system helps prevent fogging. Optically correct polycarbonate, 7-position shield offers safe, clear vision and easy no-tool replacement system.