The Doyle Sackpack offers the functionality of a backpack in the sleek and compact shape of a sackpack. * The front of the bag features a large mesh drop pocket with an added adjustable clip for security, and a tricot-lined zippered pocket on the top flap. * Deluxe organization provides additional storage inside the spacious main compartment. * This includes multiple open pockets, a secure zippered pocket, and a tricot-lined pocket for storage of a phone or MP3 player. * The lightly padded back panel and thick, durable cording complete the design.