A golf cart enclosure system for a golf cart having a passenger cabin, a roof mounted on a frame for covering the passenger cabin and a front windshield. The system comprises a guide rail secured to the frame proximate the roof and a panel of a length sufficient to extend from the guide rail to the golf cart passenger cabin below. A plurality of swivel rollers is provided, wherein a first end of the swivel roller rollably engages the guide rail and wherein a second end of the swivel roller is fastened to the panel. The panel slidably moves along the guide rail from a closed position where the panel is fully extended to an open position where the panel is retracted.