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 suppor t 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