Designed with the latest developments in the field of ergonomics. The nebula is ideally suited for the modern office. Promoting greater ventilation and free air flow, it leaves the user continuously cool and comfortable. Includes a synchron multi locking mechanism which makes it possible to achieve perfect balance in every seating position. Chrome gas lift, polished alloy base, moulded seat foam, ratchet back, seat slide and adjustable lumbar are all standard features of this new age chair.