The MX-46 continues the legacy of the GM-46.2. The lightweight DOT-approved shell along with 19 vents creates maximum airflow keeping you cool and comfortable lap after lap. Maximum airflow is achieved through industry leading 19 vents. Removable, washable interior allows easy cleaning and custom fitting via replacement padding kits (sold separately). High flow, removable mouth vent with washable filter. Vented roost deflector. Large eyeport allows large goggles and better vision. Fully adjustable, flexible and vented visor designed for maximum vision and protection. Lightweight shell: Large/2X only 2.8 pounds. Optional cold weather breath guard is available (P/N - 72-3407, sold separately). DOT Approved.