Polaris 2879642 Lock & Ride Pro-Fit Sport Roof Color: Black Material: Injection-molded polyethylene (HDPE) Installation: Attaches in designated, integrated mounting locations atop cab frame using molded-in locking features Includes: RANGER XP CREW 900 Sport Roof and mounting hardware When being used as part of complete cab enclosure, requires Sealing Kit (2879644); sold separately)