pack it up! bottom front zip compartment: large enough for a change of shoes. Front zip compartment: for items you might need on a plane — wallet, headphones, sunscreen, charger, etc. back pocket: tucks in folders, magazines or a tennis racquet. two side water-bottle pockets. secured and padded laptop pocket; holds up to a 13” laptop. inner red patch pocket: holds cell phone. matching detachable pouch. bonus: back clip strap attaches to handle of rolling luggage.