Having a hard time deciding between an aerodynamic helmet and one that will keep your head cool when you're out on a ride? With the Bell Star Pro Helmet, you don't have to choose. This first-of-its-kind cycling helmet was created from the inside-out to maximize aerodynamics and ventilation, doing so via Active-Aero technology that lets the rider regulate airflow via a simple slider that opens or closes vents. Other features include overbrow ventilation, progressive layering, and a Magnetic Zeiss Shield that allows for integrated eyewear on select models. Available in six handsome colorways.