What Our Gearhead(R) Experts Are Saying:"I rely on the Streamer II 3. 0 L for long hikes and all-day bike rides. The wide opening makes it super easy to fill up in a hurry, and the ergonomic slide-clip seals it tight so there's no risk of leaks. Plus, the reversible design makes it simple to clean and care for."We're always reaching for the Streamer II 3. 0L Reservoir when our adventures demand hydration without interruption. Built by HydraPak(R) for Deuter, this hydration system ensures we can go further without stopping to fumble with bottles. With its wide opening and easy slide-clip closure, filling and sealing is quick and seamless-even when we're on the move. The fully reversible design lets us clean it out completely at the end of every epic ride or hike, keeping it fresh for the next big day. Made without PFAS and fully BPA free, the Streamer II 3. 0 L is a choice we feel good about. It's light, flexible, and keeps the water flowing on every adventure.