The Mirage combines single-zone adjustable venting with lightweight in-mold construction for a helmet experience that is reduced down to just what you need for a day on the hill. The dial-fit system and cozy long-fleece liner ensure that you are comfortable and warm. The Mirage exemplifies our belief that every detail should be considered. PRODUCT FEATURES Lightweight in-mold construction Aerocore construction featuring Koroyd Regulator adjustable climate control 14 vents MIPS system available in all colors Adjustable dial fit system Super soft furry tricot lining Snapfit SL earpads AirEvac ventilation Outdoor Tech(TM) audio systems available WEIGHT: 16 OZ /400 GRAMS Certification: ASTM F 2040, CE EN 1077:2007 CLASS B