The Booq Mamba bag is the coolest looking of the best messenger bags for college. It has a sleek natural fiber exterior fabric, but is still waterproof. It has a large pocket that will fit a laptop up to 15″ or other flat items, as well as quick-access pockets for smaller gadgets. The strap is a 2 inch nylon. This lightweight bag doesn’t have the same amount of storage as the Crumpler, but that also makes it lighter. Overall this bag has the space for most of your school items and looks the most stylish and is a good fit for those looking for a sleek look.