HJC Accessories IS-33 M.Bk Rear Vent Set Advanced Fiberglass Shell with Adjustable Polycarbonate Chin Bar: Lightweight, superior fit and comfort using advanced CAD technology. One-Touch Patent Pending Integrated SunShield: Smoke-tinted SunShield deploys quickly and easily. Single-button Chin Bar/Faceshield Release: Open with one hand even with gloves on*. ACS Advanced Channeling Ventilation System: Full front to back airflow flushes heat and humidity up and out. SilverCool Interior: Moisture-wicking and odor-free interior with advanced silver anti-bacterial fabric. Crown and cheek pads are removable and washable. DOT Approved