Hjc Is-33 Matte Black SIZE:SML Open Face Motorcycle Helmet The HJC IS-33 Open Face Helmet has an Advanced Polycarbonate Composite Shell that is lightweight and has superior fit and comfort using advanced CAD technology. Aerodynamic shell with large eyeport for greater visibility and impact absorbing, multi-density EPS liner. Features one-touch integrated smoke-tinted SunShield that deploys and retracts quickly and easily and adjusts to three positions. ACS Advanced Channeling Ventilation System provides flow-through ventilation with multi-stage intake vents and exhaust vents allow full front to back fresh airflow that flushes heat and humidity out of the helmet. It also has a moisture-wicking and odor-free interior with advanced SilverCool antibacterial fabric that is comfortable, removable and washable.