Gregory Amber Backpack Women Arctic Navy 54L. With a lightweight frame oversized pockets and easy-access compartments life on the trail has never been easier. Specifications for Gregory Amber Backpack: Manufacturer: Gregory Pack Application: Outdoor Gender: Female Age Group: Adults Pack Type: Backpack Hydration Bladder Capacity: 3L Bladder Body Material: Nylon Fabric/Material: Nylon Pack Loading: Top Features of Gregory Amber Backpack Designed with a perforated 3D foam backpanel for breathability and a wishbone alloy frame to deliver cushioned support Package Contents: Gregory Amber Backpack Gregory 149386-A268: Amber Backpack Women Arctic Navy 54L