100% Polyester Imported Mips added protection system has been proven to reduce the rotational motion when implemented in a helmet by absorbing and redirecting energies and forces. BOA fit system for class-leading fit and security. Fidlock magnetic chin strap closure. Increased ventilation and decreased surface contact area improve cooling. Ionic+ liner and cheek pads manage odor while wicking away sweat. 3-position adjustable visor compatible with goggles. Removable under visor GoPro mount included. Big Bore front vents include eyewear storage recess. Meets the NTA-8776 E-bike helmet certification standard.