Business Traveler Student Computer Backpack 13" 15.6 17" Laptop/DSLR Organizer The Logan, designed with notes taken from multiple lifestyles and merged into one incredibly functional, yet portable rucksack. Photographer, Student, Traveler, and Business Partner. Made out of waterproof Cotton Twill, the Logan is thoroughly water repellent inside and out. The interior of the Logan has dedicated space for up to a 17 laptop. Consider the three front zippered pockets, two mesh side pockets, and adjustable pack straps at its base  the Logan is sleek and composed, yet roomy. Photographer: Set up the Logan to fit portfolios, or laptop up to 17. Arrange the DSLR organizer through the front loading section with ample DSLR gear for lengthy shoots. Attach a tripod with the adjustable straps below. Pack spare clothing and some accessories in the top loading section, and feel the cushion cradle your back and shoulders for a comfortable shoot ahead. Student:Pack a tablet, and mouse in the top loading compartment. Keep books and notebooks closest to your back for better weight management. Save the front loading compartment for lunch, handy snacks, and a sweater. The adjustable bottom straps can be used to carry poster tubes or a blanket for overnight stays in the library. Traveler:Picture worthy, the Logan is a sensible choice inside and out, complete with a customized interior, cushioned shoulder and back pads, and water repellent exterior for ever changing environments. Business:From airport to conference room, the Logan has ample space for keeping documents neat and tech gear safe. Use the two compartmentalized sections for carry-on essentials or items for a few days stay. The Twills intricate pattern and smooth satin finish, makes carrying the Logan a presentable experience.