Mesh Back. Fabric seat. Live lumbar support incorporated into the back design which is height adjustable via a concealed ratchet system. Side-activated sliding seat depth adjustment. G5 lockable arm caps are height, depth and width. Five-legged, injection-molded, fiberglass reinforced, Nylon Governor base. Equipped with Globals high quality Soft Descent™ pneumatic lift which slowly and gently lowers the seat height. 25.5 x 25 x 39.5 in.