The title says it - plan on using the bike for regular office commutes and need an according backpack.
The packs I found with a suitable interior arrangement for laptop, folders and stuff are all lacking a proper waist belt. I am looking for something like
this
http://www.deuter.com/de/DE/product/...%20Office.html
but with better support on the waist.
Any ideas/suggestions? Thx in advance.