Upper canvas portion of the doors with sturdy steel frame. Seal firmly against the cage and protect rider and passenger from the elements. Convert half door into full door for a complete cab enclosure. Zippered window made of laminated polished vinyl material for added ventilation. Easy to remove on hot and sunny days. Sport Roof is required for installation. Can only be installed with Trail Half Doors (715004418) or with the standard half doors on Maverick Trail models. Not compatible with Sport Half Doors (715005295) or with the standard half doors on Maverick Sport models. - Maverick Trail