As the biggest pack in the Arc'teryx line, the Bora 95 Backpack represents is ideal for week-long backpacking trips and large-scale expeditions. With a massive 5500cu inches of cargo space (medium), this Arc'teryx backpack holds all the gear you could possibly want to carry in one trip. The Bora 95 uses dual 6061 aluminum stays and thermoformed straps to give you excellent support and comfort while you heft your monster load. A large front pocket helps keep gear organized while the side zipper lets you access gear without unloading this giant pack.