The 661 Reset FullFace Mips MTB Helmet is a MIPS addition to the best selling full-face lid.661 are bringing MIPS Technology to a full-face helmet with a budget-friendly price-point. They’ve worked closely with MIPS to become one of the first brands to feature their brand new E2 System, designed specifically for Full-Face helmets to reduce rotational forces transmitted in a crash.The 661 Reset FullFace Mips MTB Helmet is available in 7 sizes from three separate shells from XXS to XXL, the Reset MIPS will fit riders of nearly all ages with exceptional comfort.661 Reset FullFace Mips MTB Helmet FeaturesMIPS “E2” Brain Protection System - low friction layer designed to reduce rotational motion transferred to the brain from angled impacts to the head ... More info