Update your workstation with this high-back Shaquille O'Neal Amphion executive chair. The memory foam padded seat provides comfort, while the lumbar support promotes proper posture. Bonded leather upholstery accentuates the aesthetics in your office. This Shaquille O'Neal Amphion executive chair has a pneumatic system for adjusting seat height, and the tilt tension knob and lock let you control the resistance of the backrest.