I've purchased 3 of these chairs. Initially, I was looking for a chair with good reviews that provided excellent lumbar support and didn't cost me a small fortune. I have not been disappointed. I no longer need a supplemental lumbar support pillow and find this chair has all the adjustments I need. The only product recommendation I would make is for the chair to allow the back to move a little farther forward, say slightly past 90 degrees vertical. This is simply a personal preference and not a negative comment by any means. My daughter has back problems like I do, so I bought her one. She is only 17, but within a couple of weeks, her back pain went away completely. Recently, I had my wife try it since she was complaining of shoulder pain. She ended up using mine the entire day and wanted one immediately. Besides the positive product results, customer service is outstanding. All around, highly recommended.