In reply to Iwan:
> Did you carry the weight mainly on your shoulders or hips? I need/prefer a sack that allows me to carry the weight on my hips.
Mostly hips. The belt looked very slight compared to the one on my old Berghaus Freeflow 45 but was just as comfy. The shoulder straps are very adjustable too, allowing you to adjust the upper bit of the sack relative to your shoulders a lot.