This chair has helped to ease my husband's back pain and back spasms. It has been life changing. He sits in it over 10 hours a day. It's a great chair. We are very happy with it.
First I am a relatively large person - 6'4' 250 lbs. And the biggest complaint is that the mesh seat quickly sagged to the point that my buns were being supported by the rubber edges of the frame. Cannot use. In addition the chair is quite narrow. Kept catching my phone holster when I sat in which did not occur in any other chair I have had. The head rest was a joke. Hit me at the base of the neck. Giving it away and will try again.