The Wegner CH33T is an all-wood version of the famous Wegner CH33 Chair A solid wood frame with a veneer seat and back - a contrasting wood can be chosen for the back but the buttons on the back are always the same wood as the frame. LIMITED EDITION: To celebrate Wegner's 100th birthday, Carl Hansen & Son has released a special walnut / oak combination CH33T Chair. This chair features an walnut back/seat and a oak frame to highlight Wegner's extraordinary understanding of wood.