Two tops in one with the Combo Brief/Topper with a heavy-duty zipper mechanism allows quick and easy conversion from brief to topper or back to brief top, rear piece attaches to provide rear passengers protection from elements, special two sided 'pocket' seals shut with a reinforced zipper to provide extra storage, zip out rear piece and store when not in use, included storage bag for rear piece mounts to roll bar, windshield channel required for all applications. This product ships in approximately 1 days