3/4 Shell helmet with ear coverage, BOA® fit system and MIPS® for confidence inspiring coverage and top level protection.Key Features:  BOA® fit system for class leading fit and securityMIPSadded 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 brain3 position adjustable visor compatible with gogglesRemovable under visor GoPro mount includedBig Bore front vents include eyewear storage recessIncreased ventilation and decreased surface contact area improves coolingIonic+® anti-microbial liner and cheek pads to optimize fitFidlock® magnetic closureMeets the NTA-8776 E-bike helmet certification standard30% EPS, 11% EVA, 10% PC, 13% Nylon, 11% Pom, 14% Tpee