What Our Gearhead(R) Experts Are Saying: "The Sportlite Hydraulics 20L is perfect when I need just enough space for a day on the trail. It's lightweight, super stable, and comes with a 2. 5-liter reservoir ready to go. The AirScape backpanel keeps me cool and comfortable, and that front stretch pocket is a lifesaver for stashing a shell or snacks on the fly." When the trail calls for simplicity and efficiency, the Osprey Sportlite Hydraulics 20L Backpack delivers hydration-ready performance in a compact, durable design. Balancing comfort and minimalism, this pack is built to carry just what we need for a full day of hiking without weighing us down. The AirScape(TM) backpanel channels air through its ridged foam structure, keeping the pack close to the body while maintaining ventilation and stability over rugged terrain. The included 2. 5-liter Hydraulics(R) LS reservoir ensures easy hydration on the go, while the front stretch compression pocket gives us quick storage for layers, gloves, or extra gear. With intuitive organization, a secure hipbelt, and recycled, bluesign(R)-approved materials finished with PFAS-free DWR, the Sportlite Hydraulics 20L combines sustainability and functionality for a pack that's as light on the planet as it is on our back.