Can-Am Defender Multi-Vent Windshield W/Hard Coat Constructed from 1/4 inch hard coated MR-10 scratch resistant polycarbonate - Best material available!!! Tool-less installation and quick removal with included knobs and metal hardware. Features three sliding vents (1 lower and 2 upper) The lower sliding vent allows signifigant airflow when fully opened to cool the cab and reduce dust. Fits 2016-18 800/100