A comfortable, washable, full-coverage, and breathable liner design wicks moisture to prevent overheating and seamlessly integrates K2's fit and audio systems. Climate control at the flip of a switch. Active Matrix venting allows the user to easily regulate the airflow of the helmet's venting system. Hard-shell helmets are built to last and will look great no matter how many trips they make in and out of your gear bag. K2 Emphasis Mips Helmet