The comfy mesh seat and adjustable headrest are just the beginning. This chair features custom-fitting adjustable height and tilt tension control. The back and seat are synched together in the tilt mechanism at a 2-to-1 ratio, so the seat will support you gently the deeper you lean back. The tilt also has adjustable tension and a locking device, a great feature for multiple users of different weights. With simple controls and an ergonomic design, the Air Grid Mesh Chair will quickly change things up at the office. Air grid back office chair with mesh seat and large carpet casters. Swivelling pneumatic height adjuster. Tilting tension adjusting lever with lock. Adjustable headrest. Adjustable angle armrests. Mesh seat and air grid back.