Bell Star Pro Shield Helmet Medium Retina Sear/White BlurThe Bell Star Pro Shield Helmet is the breakthrough in Ventilation and Aerodynamic Helmet Technologies that you have been waiting your entire life for. The Active Aero Technology allows the optimization of cooling power or speed with the flip of a switch. The amazing Overbrow Ventilation uses layers of vent tunnels to bring you back from going your absolute fastest to the being cool and comfortable. There are 13 Active Aero Vents and 2 Overbrow ports. The Magnetic Shield holds confidently as it protects your powerful eyes with simple storage when not in use.768686662072