Day backpack has several compartments to carry and organize all your essential gear. The Day backpack has two main large zippered compartments, an outside zippered compartment, two outside zippered pockets, a side mesh pocket, and a side pocket for holding a water bottle or a sports drink. Many of the compartments have internal dividers, smaller pockets, and a plastic hook for your securing your keys; all this to help with organizing your gear, so that you may get to them easier. The perfect Day backpack for work, school, the gym, and for other recreational activities.