Razorback Offroad designed a handy rear shelf that has been the industry leading option for years. Having a shelf behind the seats give you a great place to store things out of the way, but still easy to reach. We also utilize a glass sliding window that allows you to control air flow. Besides adding a front window, adding a rear window is the best way to help keep the dust out of your machine. See why so many other riders are using the RBO Ultimate Rear Sliding window on Their RZR Trai