Laptop Backpacks are much sportier and enable people on the move to keep their hands available in crowded areas or comfortable for long distances. Laptop packs tend to be designed for outdoor use and are intended to be waterproof and otherwise stand up to the elements. Backpack laptop bags can also have numerous compartments for other essentials, including files or equipment. They are much different from typical school type backpacks because they offer additional padding and restraints such as Velcro for protecting the equipment.