Low profile & setup with the new Intake Port vent system, the Chapter is the new archetype for all mountain riding The deepest channels Giro have ever cut into a snow helmet pump air over your head to keep you cool & comfortable In Form Fit System makes it easy to dial in a custom fit in seconds In-mould construction fuses a tough polycarbonate outer shell with the helmets impact-absorbing foam liner for extra durability without excess weight The interior subliner means that you can customise your pads or pull them out completely to work with your goggles & beanie for the ultimate in rider tuned fit Super Cool vents pull cool, fresh air into the helmet while pushing heat & stale air out helping you feel fresh all day Thermostat ventilation control means that you can custom tune airflow instantly with a simple, low profile control button on the outside of the helmet The Stack Vent aligned in the middle of the helmet with the centre vent of your goggle helps to keep them clear & fog-free while maintaining total helmet & goggle integration Compatible with Skullcandy Tune Ups