The chair was super easy to assemble. It's comfortable for the most part but the seat starts to feel less cushiony after about hour 5. Overall it's been a good purchase.
For the price this chair is good. It's supportive; has reasonable back support; raises to a level that some chairs will not (which is good for this tall man). The thing I don't like is the rise at the front edge of the seat. It almost hurts my thighs and makes it less comfortable to sit for longer periods of time.
I've bought this chair for two different locations in the house. The mesh seat curves down in front more than most padded chairs relieving pressure on the upper thighs. I sit in this chair for hours a day and find it very comfortable.
Very easy to assemble with the included Allen wrench. Instructions extremely easy to read. I actually put it together at my cubicle during my work day.