Guerrilla Packs Gladiator Internal Frame Backpack, Black 4,271 cubic inch capacity (60 liter internal frame backpack with 10 liter detachable daypack and top lid) Adjustable shoulder harness, back support and hip belt Multiple entry points; Top and front loading Features: reinforced top grip handle, compression straps, accessory mounts, rain cover and hydration compatible Torso fit range: 15-Inch to 22-Inch