It utilizes Scorpion's multi-layer EPS and carries ram-air vent system providing substantial in and out airflow, Pinlock MaxVision® (sold as na accessory) face shield prepared for a wider field of view, Kwikwick® C moisture wicking fully removable and washable liner is a bonus, and built-in SpeedView® drop down sunvisor.
If you're the one who enjoys daily riding with diverse features and looking for the most reasonable helmet, the EXO-491 will be your favorite.