What I have not tried is the weather resistance. At least with normal rain, not a drop of liquid has been spilled into the inside of the backpack. As it stands in heavy rain, I do not know.
What impressed me most of the excellent wearing comfort and the quality of workmanship. Due to the good padding on the back wearing is pretty cozy. One must of course, but make sure that the straps are adjusted accordingly, otherwise it can be uncomfortable in the long run.
From me there is an absolute buy recommendation. One can therefore not go wrong as long as their own notebook is not greater than the usual 15.6 ''.