FULKRUM is built to last and allows you to stay focused and efficient throughout the long workday. The elastic mesh back is comfortable and allows improved ventilation. The adjustable lumbar support provides the necessary support for the lower back. The height of the headrest is adjustable by 5cm. The backrest frame and armrests are made of black plastic. The lower part of the frame and the angled parts of the armrests are reinforced with fiber. The upholstered seat and headrest of the chair are covered with black polyester fabric, Martindale value 50,000. The seat depth is adjustable. The weight-sensitive synchronous mechanism self-adjusts recline force to the user’s weight and offers multi-position tilt lock and pneumatic seat height control. The height, depth, and angle of rotation of the armrests are adjustable. The chair's 5-pronged footrest is molded from black fiber-reinforced nylon. The chair has plastic castors, 50mm. The overall dimensions of the chair are 70x70xH114-129cm, seat height 41-51cm, seat depth 41-48cm, and seat width 48cm. Weight limit 120 kg.