A visually stunning design that offers comfort and simplicity. The X.22 ergonomic chair is designed with a foam-comforting breathable mesh backrest and multiple adjustment features that provide excellent support while you work. The chair comes with adjustable lumbar support to keep the spine aligned in a neutral position and maintain good posture for a healthy back and spine. Intelligent Self-Weigh Mechanism. Adjustable Lumbar Support for Spinal Alignment. Unique Mesh Backrest Design. Breathable Moulded Foam Seat. 3D Armrest for Personalised Comfort.