The impulse upholstered ergonomic chair with adjustable back provides a great combination of ergonomic features with a powerful distinctive design with its high level of adjustability it can be set to best suit the individual user to provide the full range of ergonomic benefits point synchromatic balanced mechanism 3 position lock and free flow functions instant response tension adjustment 2 position dynamic forward tilt height adjustable backrest fully upholstered gaslift with integral dampi