This pack is perfect blend of a durable boot bag, handy duffle and smart backpack all in one in a slightly smaller package. This cabin friendly carry-on loyally follows you anywhere you want to go. Rib Cage Technology : The Integrated rib cage design, consists of strong and lightweight ABS ribs that gives your gear the extra protection it deserves. Roomy Top Pocket: Gives you access to all of your daily essentials. Main Compartment Opens Fully: Access everything in your backpack - even the stuff at the bottom - with ease.