The Outdoor Products Legend Falls Backpack is designed to keep you prepared for all sorts of adventures. The backpack has a 27 liter cargo capacity. You can utilize the large u-shape opening to the roomy main compartment which provides plenty of space for books, electronics and more. The main compartment includes 2 zippered pockets plus sleeve for reservoir or laptop. You can use the front exterior carabiner to attach additional accessories you may carry on your hike. It is suitable for a senior, adult and teens.