This sling backpack has 5 separate compartments of different sizes, including a main zipper compartment, one zipper front pocket and one side pockets. Our small backpacks are perfect for everyone: adult, man or woman, boy, girl, college student, you can use it for international travel, camping, climbing, running, hiking and cycling. It's comfortable against the skin, adjustable and breathable mesh shoulder straps help relieve the stress from your shoulder.