In case of a crash, the Montrailer MIPS offers a particularly high level of protection. The MIPS brain protection system offers is an insert inside the helmet reducing the rotational forces to the brain in case of an oblique impact, thus significantly reducing the risk of injury.Key Features:Technology: In-Mould,Weight: S/M 340g | M/L 360g,Adjustment system: ZOOM Ace,Headring: Half ring,Sizes: S/M 52-57cm | M/L 57-61cm,Vents: 11,Standards: CE EN 1078,Transparent visor, GoggFit, Ponytail-compatible, MIPS Technology.