With the Fjällräven Kånken 13 "you choose the classic Kånken bag, but with space for your laptop. The backpack has a padded 13-inch laptop compartment. This way you can safely take your laptop to school or work. The backpack is made made of Vinylon whose fibers swell when the material gets wet, this makes the fabric water-repellent and keeps your gear dry If you want to relax after a brisk walk, take the removable back from your backpack and you have a nice cushion to sit on In addition, the backpack has padded shoulder straps, making it comfortable to wear on your back during a long day at schoolNote: the size of your laptop, such as 15 inch or 17.3 inch, is the size of the screen, not of your entire laptop. If the edge around your screen is wide, choose a laptop compartment in a larger size to be sure. This way you know for sure that your laptop will fit.