When I received the new chair shown above, I was able to try the chair for 30-days prior to making a decision to purchase it.
I had two major concerns regarding this purchase; the first was "back support" ... This chair provides excellent back support.
The second major concern was a "comfortalbe seat" as I live in this chair 9-hours a day. At first, the comfort level was good. As time passed, the comfort level has decrease somewhat. I can live with it as long as it doesn't decrease any more.