The stucture in natural or painted oak legs adds a sense of elegance and refinement which adheres to the Scandinavian inspired a esthetics of the original VAD chair. MATERIALS AND FINISHES Structure: natural solid oak or walnut painted oak. Seat: polypropylene. Cover: fabric, leather or full-grain hide.MATERIALS AND FINISHES Structure: chromed or painted metal or steel for outdoor use. Seat: polypropylene. Cover: fabric, leather or full-grain hide.