Safety outer shell with optimal weight reached by high-compounds technology ECE 22.05 Weight: 1450g Exchangeable cheek-lining for individual fit M.A.R.O Anti-Roll-Off-System Anti Fog Scratchproof visor Visor is easy to change without tools Sharpview Technology integrated sunvisor Micrometric Buckle M.A.R.O. Anti-Roll-Off-System "M.A.R.O." (Marushin-Anti-Roll-Off) system. This is claimed to prevent the helmet from pivoting. off the head from behind & to also reduce the amount of helmet roll that could hurt the rider s. neck in a crash.