The Fox Mainframe Youth MIPS MTB Helmet helps younger riders stay safe in style, with Fox's most affordable trail helmet.Fox Mainframe Youth MIPS MTB Helmet FeaturesProven MIPS™ impact protection system reduces rotational forces in a crash by absorbing and redirecting energies and forces otherwise transmitted to the brain?Extended coverage for added safety?Optimized venting with channelled, in-moulded EPS provides efficient cooling?Removable, washable moisture-wicking liner?MIPS integrated fit system reduces weight and provides a more comfortable, seamless fit?EPS, PC, PA, Polyester More info