What Our Gearhead(R) Experts Are Saying:"This 3L Lumbar Reservoir is a must-have for long rides and hikes. The low-profile design sits comfortably in my hip pack without sloshing, and the Comet Bite Valve is super easy to use one-handed. The quick-disconnect hose and fold-and-slide opening make refilling a breeze, and since it's BPA- and PVC-free, I never worry about funky tastes in my water."For long, demanding rides and hikes, hydration shouldn't be a hassle. The 3L Lumbar Reservoir 2. 0 is built for performance, featuring a low-profile Shape-Loc baffle that keeps water secure and stable in your pack. The fold-and-slide wide mouth opening makes refilling and cleaning effortless, while the Plug-N-Play quick-disconnect hose simplifies mid-ride refills. Designed in partnership with Hydrapak(R), this reservoir is BPA- and PVC-free for pure-tasting hydration, and the Comet Bite Valve self-seals to prevent leaks. A molded 3D bottom enhances shape retention inside your pack and speeds up drying between adventures. With a lifetime no-leak warranty, this reservoir keeps us fueled for every mile, climb, and descent.