Ergonomic Posture Support: Includes adjustable neck and lumbar pillows to reduce back strain. Deep Recline: The backrest reclines up to 166° with a locking mechanism for resting. Synchronous Tilt: Allows comfortable tilting while keeping legs relaxed and extended. 2D Adjustable Armrests: Flexible, cushioned armrests can be adjusted to support your arms and shoulders. Durable Build Quality: Features high-density inner foam padding, a BIFMA tested Level 3 rating, a sturdy 350mm nylon five-star base, and smooth 60mm casters