Product details:

Best of both worlds Half when you want it and Full when you need it. MADE IN AMERICA CUSTOMIZED TO FIT YOUR ROOF. As the saying goes around here. Start your measurement at the same point in the pictures in the ad and bring it up to the lowest point of your roof and send me that measurement. U. V. protection and impact resistant, even at -40F. To prolong the life of your windshield follow cleaning instructions. Half when you want more air and full when you need to stay warm and dry. Fitted to body with minimal gaps. Includes all mounting hardware. Full enclosure doors will not work with windshield due to clamps.