Easy-access, padded side-zip computer pocket for 15' laptops. Spacious main compartment with organization pockets, fleece-lined tablet pocket and removable key leash. Hidden, zip-away side water bottle pocket. Separate, patent-pending, expandable packing compartment holds 2 to 3 changes of clothes. Meets most popular carry-on requirements as well as fits under most seats. Packing compartment with easy-access suitcase lid. Hidden trolley sleeve slips over wheeled luggage handles. Custom-developed, durable, water-resistant body fabric . Molded, comfort-cool foam back panel. YKK water-resistant zipper with custom-designed pullers.