The Dropframe Pro is Fox's most protective open-face mountain bike helmet. Designed for enduro riding, its 3/4 shell delivers extended coverage around the ears, jaw, and back of the head, offering greater protection than a traditional trail helmet without the full commitment of a full-face. It comes equipped with Mips® technology, the BOA® Fit System for a precise and secure fit, Ionic+® liner and cheek pads for comfort, and improved ventilation to keep you cool on the climbs. Features BOA® fit system for class-leading fit and security Mips® added protection system has been proven to reduce the rotational motion when implemented in a helmet by absorbing and redirecting energies and forces otherwise transmitted to the brain 3-position adjustable visor compatible with goggles Removable under visor GoPro® mount included Big Bore front vents include eyewear storage recess Increased ventilation and decreased surface contact area improve cooling Ionic+® antimicrobial liner and cheek pads to optimize fit FIDLOCK magnetic closure Meets the NTA-8776 E-bike helmet certification standard