The Osprey Packs Argon 110 Backpack is new for this year. The Osprey Argon 110 Backpack was designed for expedition backpacking and mountaineering. The Argon 110 Backpack has the ability to carry up to 80 lbs. or 6,700 cu. in. of gear. Not only can the Argon carry a lot, but it only weighs 6 lbs. 8 oz. The Argon 110 comes equipped with many features making this backpack more user-friendly. The top pocket of the Argon 110 converts into a lumbar pack for day hikes, and Osprey also includes an internal water hydration pack that can be turned into its own pack with the external sleeping pad straps. Osprey also provides a lot of additional storage pockets which gives you easy access to important gear. The Argon 110 is a top-loading backpack and has an additional sleeping bag storage compartment at the bottom and vertical zip access to the main body of the pack. As with other Osprey packs, the Argon 110 Backpack features a custom molded hipbelt and an AirScape backpanel which helps ventilate your pack – keeping you more comfortable on the trail. The Osprey Packs Argon 110 Backpack was designed for hikers on long expeditions needing to comfortably carry a heavy pack.