With the RBO Polaris Razor Fold Down Windshield, you get lots of choices. Imagine heading out on the trail in the morning on a fall day and its cold. You can keep the windshield up. As the morning warms up you can just slide a windshield vent open. When it gets into late afternoon and the sun is high, just lay the folding windshield down. When you lay our RZR Glass Windshield down you also get a great shooting rest for your gun. Installation of this Glass Flip up Windshield is very easy