The modern profile of the new Jackson helmet utilizes the new Passive Aggressive Venting system, inspired by the aerodynamic airflow of high-end autos. The discreet yet powerful system effectively manages airflow and temperature while in-motion riding, hiking or standing static. The overall look is finished with a slight brim and subtle lines for Seamless Compatibility with Giro goggles. The Jackson Mips technology, an ultra-lightweight construction and the dialed In Form 2 Fit system allows you to confidently focus on the terrain ahead. Leave no line untracked in the new ultimate freeride helmet. In-Mold Construction Compatible with aftermarket Giro audio systems by Outdoor Tech In Form 2 Fit System - lighter and lower-profile than the original, making it even easier to dial in a custom fit in seconds, even with gloves on.: On-the-fly Vertical Tuning - accommodates different goggles and head shapes for a custom fit free of gaper gap. Removable ear pads: Seamless Compatibility with all Giro goggles: Mips equipped Seamless Compatibility with all Giro goggles Passive Aggressive Venting System - discreet exterior vent design and interior channeling combine to create optimal airflow and temperature regulation. Auto-venting technology manages airflow and temperature while in-motion riding, hiking or standing static.: Stack Vent Technology