The Hansen Plus ergonomic chair is a quality chair with unique features for your comfort. It has a gas lift mechanism for height adjustment, a SYNCHRON mechanism for the rotating backrest with the possibility of locking in different positions, a side knob for adjusting the backrest tension according to the user's weight, a lumbar support, a depth adjustable seat, a chrome mobile base, soft floor rollers, 3D adjustable arms, and a black "MESH" upholstery for the backrest and seat. This chair supports a maximum weight of 150 kg.