The latest 2010 version of the Ergohuman mesh office chair is made with total comfort in mind. The Ergohuman has flex zones that ensure constant support of back & lumbar, multi-dimensional adjustable arm rests for unparalleled support. Designed specifically for those who are in an office chair for long periods of time & require " Intensive Use Seating" to keep them comfortable. It has a synchro tilt mechanism with infinite lock, sliding seat, pneumatic height adjustment, automatic lumbar support system, height & angle adjustable arms. A simple single lever control operates the three most frequently used chair functions seat height, seat depth & back tilt. Black mesh seat & back are stocked items. Other coloured mesh & fabric or leather seat options are available but have longer delivery times. Please call for details.