Selection in the luggage section: The Osprey Hydraulics 1.5 L Reservoir offers a compact water tank suitable for regular backpacks. The 1.5-liter capacity and slim dimensions ensure that it can fit even in narrow compartments; Filling is fast and intuitive. The design emphasizes functionality without unnecessary details and a reliable supply of fluids during movement. We see Osprey as a brand that prefers a direct and purposeful approach to design; This product clearly reflects this. It is suitable for urban commutes and short trips, when you appreciate simplicity and a clean look. Thanks to the inconspicuous profile, it will not disturb the aesthetics of the backpack, but will improve its practical value.