Bell Star Solid Full Face Motorcycle Helmet - Black, X-Large Lightweight TriMatrix Composite Shell (Kevlar/Carbon Fiber/Fiberglass blend) Velocity Flow Ventilation system with FlowAdjust maximum ventilation and temperature control Contour Cut Cheekpads for superior fit and comfort, Removable and washable, antibacterial/antimicrobial interior comfort liner Super stable aerodynamic signature resists buffeting and lift Five-year warranty