The best part is the comfort and support in the small of the back. Putting it together really requires two people as some parts are heavy to hold and work the screws in too. The directions leave a lot to be desired!
The chair back is very supportive but the seat sides press into the hips. After about an hour I have to get up because the pressure from the side blocks under the seat gets to be to much. Wish I had my old chair back...
The chair is doing what it is supposed to do. Stay up and support! It has been a teaching moment because I had to put it together myself. Years ago I was asked what was my weakness and it was not mechanically inclined so assembling the chair has now made my weakness a strength. Hooray for Union Scale Hyken Ergonomic Chair!!!!