Material used: ABS material for impact resistance and toughness. Certification: ISI certified helmet. Ventilation: 1 front vent, 2 top vents. Interior: Removable inserts. Open face helmets have an open cutout in a band across the eyes and nose,often include a clear or tinted transparent plastic face shield known as a visor, that generally swivels up and down to allow access to the face. Some of these helmets include vents to increase the airflow to the rider.