DETAILSA proven favorite for more than a decade, the updated Nine is now offered with the Multi-directional Impact Protection System (MIPS). This lightweight helmet is defined by its low profile and streamlined silhouette. A wealth of features ?? including the custom tuning of the In Form Fit System and Thermostat Control venting ?? make the Nine one of Giro??s most enduring and popular performance snow helmets.SPECIFICATIONSConstructionMIPS ?? Multi-Directional Impact Protection System, In-Mold ConstructionFit SystemIn Form Fit System , Vertical TuningVentilationThermostat Control Adjustable Venting, Stack VentilationFeaturesCompatible with aftermarket Giro audio systems by Outdoor Tech, Seamless Compatibility with all Giro gogglesCertificationCE EN1077