This two-compartment backpack is perfect for outdoor activities like day hikes and two-day overnight treks, as well as everyday use around town. It features pockets on both sides large enough to hold a water bottle, and the main compartment has a zippered hanging pocket for small items and a pocket large enough to hold a laptop, making it a highly practical backpack. The main zipper uses a sturdy 10-coil zipper. It also comes with a detachable chest strap. (Main capacity: 26L, Second compartment capacity: 3L) Main capacity: 26L, Second compartment capacity: 3L