ok for permanent users

The office chair is super:
It costs a bit more than other chairs. The cheap chairs relatively quickly but with me broke (broken back, worn holder for seat and therefore slate and loose seat, rolling sluggishly to determine, etc.).
He is stable because it has weight.
He makes a strong impression.
Roles are going well.
Prolonged sitting is possible without any problems.
The seat is soft and yet hard enough.
With the broken backrest of the seat gets air and you sweat hard.
The right setting for me I have not yet found, because the manual is missing (see below).

My impression of this office chair is far, very good.

The delivery was a disaster because the cardboard was torn. The small parts were all available. Only the guide had gone loss. The chair weighs a little and needs to be better packaged for shipment. How to do not understand!