HJC Helmets Solid Mens CL-17 Full Face Motorcycle Helmet - Black/Medium Advanced polycarbonate composite shell is lightweight and features superior fit and comfort by using CAD technology Anti-Scratch Pinlock-ready Face shield (HJ-09)features a3D design Side face shield lock mechanism for an ultra-secure seal Pinlock-ready (Pinlock lens insert sold separately) RapidFire Shield Replacement System provides ultra-quick and tool-less removal and installation of the face shield