Description of Osprey Exposure 36 Backpack Going up? Lightweight and durable, the Osprey Exposure backpack series was designed for those who prefer a more vertical path of righteousness. A full length single stay and HDPE framesheet support the load without adding excessive weight, while the Exposure's built-in hipbelt with dual compression straps support the load comfortably. The Osprey Exposure 36 is a comfortable and durable pack for day or weekend adventures. Features: Built-in hipbelt Foam laminate harness w/ rescue whistle Excessory compatible Internal hydration pocket Hypalon reinforced side ski carry straps Ice Tool Holsters & Shovel wing