TuneUps Wireless, TuneUps BT Link, TuneUps 2Way Radio, or TuneUps. Included or optional. In mold Hardbody8482 with High Impact ABS Shell and EPS Liner Dual Thermostat8482 Control In Form8482 Adjustable Fit System 14 Wind Tunnel8482 Vents The Giro Omen Ski and Snowboard Helmet is an audio compatible helmet or has audio included. The Omen is an innovation from experience, designed for riders who live the dream all season long and love to charge big lines in epic locations. The Omen is an in mold Hardbody8482 shell with high impact ABS zones and an EPS liner. The WindTunnel8482 ventilation system includes 14 Wind Tunnel Vents and Dual Thermostat Control. The Giro Omen includes Giro39s Super Fit8482 sizing and the In Form8482 fit system, so it39s certain you39ll get a perfect fit! Giro39s in mold construction fuses a tough polycarbonate outer shell with the helmet39s impact absorbing foam liner for extra durability without excess weight. The fusion of shell and liner also allows Giro to sculpt better ventilation systems, so In mold helmets can be lighter and cooler than traditional helmets. Giro39s Wind Tunnel8482 ventilation combines active vents with exhaust channels in the helmet39s liner that force cool, fresh air over and around your head while forcing stale, warm air out. It39s the ultimate cooling system, with performance that you can feel every time you ride. The In Form8482 adjustable fit system makes it easy to dial a custom fit in seconds even with gloves on. An ergo friendly dial at the base of the helmet provides up to 6cm of fitfeel adjustment and enhanced stability. The system also offers vertical tuning of the helmet39s foreaft position to match different goggles and head shapes.