2019 fox racing v1 przm off-road motorcycle helmet - navy/red / x-large fox racing the all-new v1 przm helmet has been redesigned from the ground up. it now features our exclusive magnetic visor release system 'mvrs'. this pro-level, patent-pending feature removes the three visor screws and replaces them with magnets to allow the visor to release from the helmet. while also securely staying in place when needed. the design offers far more airflow than its predecessors for improved comfort and moisture management in warm riding conditions. we have also introduced 4 specific shell. the v1 comes complete with a removable and washable liner and cheek pads for comfort after repeated uses.. . mvrs - magnetic visor release system.. lightweight injection molded polycarbonate and abs shell construction. removable and washable comfort liner and cheek pads. 9 intake and 4 exhaust vents for optimum airflow. dot approved. meets the fmvss 218 standard.