Ergonomics ChairCool Down Fabric seat delivers extra support while the mesh back allows airflow for comfort Lean Back Chair doesnt tilt from a point at the front of the seat, it tilts from a point close to the users hips, aka recline glide motion. To keep the feet on the floor as the back tilts back, the seat glides back (and w the synchro tilt, will tilt up at a lower rate than the back). The lower rate of seat tilt is why feet stay on the floor better The Perfect