The active leather chair is a designer led bonded leather faced 24hr ergonomic posture chair with double layered deep cushions the active has a headrest built in pump lumbar support multifunctional arms self tension adjustable synchro mechanism with seat slide on a polished aluminium base with heavy duty gas liftback width 505mmback height inc headrest 810mmtotal height 1160 1375mmseat height 465 555mmseat depth 500mmseat width 505mmoverall depth 750mmoverall width 660mm