All this is almost perfect - almost! The only thing that brings a little bit of disillusion among them, is the scarce space in terms of laptop bag. My 15.4 "notebook also does not want a lot of patience partout fit into the neoprene sleeve. Then I tried the trick with a new neoprene sleeve, which I then wanted to convey in velvet notebook in the intended pocket of the backpack, which has, however, also does not fit . So if you do not necessarily have a space-saving miracle in terms of its 15.4 "notebook features should be expected that the laptop only" fits naked "into the corresponding backpack pocket.
Otherwise, however, given me the Lowepro Pro Trekker 400 for bike rides and marches so much joy that I can recommend it highly!