This bag contains not only a laptop, it's a real case! One can easily store there something going on extended weekend. Not recommended if you are looking for a discreet and compact model. It includes two large space in the main pocket plus front pocket with various locations to separate pens, business cards, phones ...
Above all, it is ultra-handy with handle and adjustable shoulder straps are very comfortable for overstuffed. Given its size it remains fairly light.
Finally, strength issue, after 3 months of pretty heavy use, it has not moved.