Pretty good chair. The only downside is the seat. The mesh is as expected flexible so while it has support on all 4 sides the material will sometimes flex a little weird. The main selling point for me is the lumbar and neck support is perfect for me
It has a rough seat for naked bum bums and the chair kinda forces you to force it to let you recline; however it's sturdy easy to construct and has excellent lumbar support.
I like most aspects of the chair but the most important part the seat is uncomfortable. The front edge is a bit sharp and digs into your legs. I'll have to add some kind of cushion to deal with it. The chair would be a lot better if the front of the seat had some padding or even just a well rounded edge.