HJC Solid FG-JET 3/4 Open Face Motorcycle Helmet - Matte Black/Large Advanced Fiberglass Composite Shell: Lightweight, superior fit and comfort using advanced CAD technology U.V. Treated 3D Anti-Scratch Clear FaceshieldQuickSlide Tool-less Shield Replacement System Integrated Smoke-tinted SunShield One-Touch Deploys Quickly & Easily Three Stage Multiple Positions Patent Pending''ACS'' Advanced Channeling Ventilation System Full front to back airflow flushes heat and humidity up and out