Abstract: The construction according to the invention is applied to a utility vehicle such as an open vehicle having an open top such as a Jeep type vehicle or a large earth moving machine. To provide an enclosed operator's compartment it has been necessary to use steel or fabric door closures. The present invention makes use of space age plastics and uses the high impact characteristics along with the transparency of these materials to provide a strong yet safe door closing allowing the operator to have full vision from the door of the operator's station.