New never used. Versatile pack that can be used to easily carry a bear container or odd shaped items like tents, dry bags or water containers. Two huge side pockets to carry the rest of your gear. Retails for $300.00
With a large open interior that's designed to carry a bear canister or awkward shaped gear, Granite Gear's Nimbus Core backpack is great for multi-day adventures and specialty uses.
http://www.sierratradingpost.com/granite-gear-nimbus-core-backpack~p~7444p/