Polaris Ranger Mid-Size Crew - Lexan Back Panel w/Vent OptionFITMENT: 2011 2014 Polaris Ranger Mid Size Crew 500 and 570 Our rear windshield provides protection from blow back into the cab as well as allow maximum rear visibility. BASE MODEL: POLYCARBONATE The rear windshield is made of Lexan polycarbonate. Lexan is the original brand of polycarbonate and offers incredible impact strength. When choosing a windshield always select thickness. polycarbonate will not bow at high speeds or when hauling as compared