Seizmik Upper Door Kit Kawasaki Mule 800 Pro FX / FXT The Seizmik UTV Upper Door Kit pairs to OEM half doors to create a more comfortable cab that is isolated from the elements. The sturdy combination of nylon canvas and optically clear vinyl windows is tough and made even stronger with a 3/4 steel frame. When open, the zippered windows are secured in integrated storage straps. Seizmik Upper Door Kits are compatible with mirrors and also work with front and/or rear windshields to create a full cab enclosure. Features: Integrates with factory half doors to help create a sealed cab 3/4 steel door frame Durable UV protected nylon canvas Crystal-clear vinyl zippered windows Integrated storage for window when open Built-in mounting tab for mirrors (mirrors available separately) Add back panel and windshield (sold separately) to fully enclose cab Note : Door kit is for front doors only on FXT models.