Description of Osprey Exposure 66 Backpack Going up? Lightweight and durable, the Osprey Exposure backpack series was designed for those who prefer a more vertical path of righteousness. A removable floating top pocket, straight jacket compression, a large wand pocket, leashless tool holsters and the ultra-comfortable, heat moldable Exposure CM* hipbelt help maximize comfort for all your alpine adventures. The Exposure 66 is the ultimate large capacity, fast and light alpine pack. Features: Removable Exposure CM* Hipbelt Foam laminate harness w/ rescue whistle Floating top pocket with rope tie-ins Hydration and Excessory compatible StraightJacket compression Hypalon reinforced side ski carry straps Ice Tool Holsters & Shovel wing Contoured AL tubing 7075 frame w/ framesheet and 6005 AL headrail