There are many different variants that can be examined in more detail from the manufacturer!
Here you should pay attention to his body size and possibly measure it, because all chair series cover only certain areas (height, width and weight) and then, for example, the side bolsters of the seat may be too restrictive possibly for too broad buttocks.
The construction goes smoothly equip and then you can comfortably sit or lie partly. Certainly for the office not wrong!