I picked this up today from the store and just got done building it. It is a lot smaller than I expected. For reference I am 5’4” and even on the highest setting my knees are still bent with my feet touching the ground. It’s a little comfortable but very stiff and the seat is also very small. I expected a lot better than this and I will probably be returning.
The front padding on the seat is higher than the back padding on the seat which causes the lower part of your back to be on an angle. The back of the chair pushes your back forward which causes your back to lean forward and this is an uncomfortable angle. The back of the chair should allow your back to be straight.