High Impact ABS Material Shell with texture finish. ISI Certified with IS no.: IS 4151:2015 and CM/L no.: 2572055. Metallic Quick release silent buckle. Removable and washable lining with optional pads of various thickness for a more custom fit. Scratch resistant & UV resistant. Visor in optical polycarbonate, quick release visor mechanism, facilitates smooth and easy visor changes. 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.