Guerrilla Packs Admiral Internal Framed Backpack, 40-Liter, Navy Blue Compact internal frame backpack with padded and ventilated comfort backing with 2,440 cubic inch capacity or 40 liters Multiple entry points: Top and front Loading Adjustable shoulder straps with reinforced padding, sternum straps, and lumbar pad Features: reinforced top grip handle, compression straps, accessory mounts, dual zip compartments, and hydration compatible Torso fit range: 15-Inch to 21-Inch