Adjustable design: Featuring a gas lift which allows you to adjust the height and a locking-tilt mechanism. Comfortable: Made from PU leather, PVC and padded mesh with a waist pillow and piano arms. Colours: Choose from black, black and grey or black and blue. Lumbar support: Offers support as you sit for lengthy periods of time. Durable: With a strong five castor-wheel base. Office chair: Get an executive office and gaming chair.