Chair was easy enough to assemble with the instructions provided. The headrest if fine if you are a short person. I am 5'10" tall and with headrest fully extended the bottom grazes the back of my shoulders. I would hate to be a tall(er) person with this chair - would need to remove the headrest. Lumbar support is minimal and marginally adjustable. Chair is comfortable for what you pay but definitely not HumanScale quality.
I telework and am on my computer sitting for the most part of 8 hours per day. I tested many chairs and this chair is cool because of the mesh supports my neck beautifully and is easily adjustable.
I have spine and neck arthritis and needed a better office chair. I tried several stores and brands but the moment I sat in this particular chair I knew it was The One. I've owned it for a few weeks now and I've had far less back and neck strain/stiffness after working for the day. So glad I purchased this!
Chair sits comfortably. However right after assembly it will slowly lower or drop a couple inches when sitting in it. Will call company for new hydraulic cylinder. Hope the replacement is better
Assembly 9/10 - As Easy as it gets As soon as I put this together and sat on it it sunk down. What's that about? LOL. Defective Strut? Maybe. I'm returning for a refund.