Giro fixture mtb helmet mipsmtb relies on confidence as you're tearing downhill at stunning speed, and that's exactly what giro bring to the table with their mips enabled fixture helmet'. '.strtoupper('c')arrying over some of the best features from the brand's legendary road helmets, here you'll find the safety conscious mips system that holds the head in place in the event of a crash, the roc loc sport system that easily finds a dialled fit, and a shatter proof in mould construction system'. '.strtoupper('i')t's about as stylish as it gets too, and its construction features plenty of breathability to keep you ventilated and free from sweat as you shred the trail all day long.roc loc sport fit systemholding it all together, alongside the mips system outlined below, is the industry leading roc loc sport fit system'. '.strtoupper('c')ombining comfort and stability for your head without adding any extra weight to your ride, it keeps close to your skull for unbeatable security, with an easily adjustable fit that can be dialled quickly and easily using only one hand.what is mips?mips is a brain protection systemrotational motion can cause brain injuriesthe low friction layer allows a sliding movement of 10 15 mm, in all directions, reducing rotational motion to the brain during impactmips adds protectionfeaturesuniversal front light attachment pointfull hardbody wrapfeatherweight webbing with slimline buckleintegrated mips technologyin mould polycarbonate shell with eps liner12 wind tunnel vents with internal channellingroc loc city mipsbuy giro helmets from chain reaction cycles'. '.strtoupper('t')he world's largest online bike store.