HJC CL-JET Open-Face Motorcycle Helmet (Matte Black, X-Large) Advanced Polycarbonate Composite Shell: Lightweight, superior fit and comfort using advanced CAD technology UV-treated Flip-up Faceshield (HJ-17J) - Quick Slide Shield Replacement System: Quick, secure, tool-less removal and installation ACS Advanced Channeling ventilation System: Our unique ACS ventilation is designed to take the cool air and flush out heat and humidity Nylex Interior: Plush, moisture wicking material with crown and cheek pads removable and washable; Cheek pads are compatible within all sizes Meets or exceeds D.O.T. standards