Osprey Hydraulics 3L Reservoir

The next generation Hydraulics 3L Reservoir is built for reliable, high-capacity hydration on the move. Fully redesigned, it features ergonomic updates that make filling, carrying, and loading easier—whether you're commuting, travelling, or out on the trail. A lightweight yet sturdy backer plate helps prevent bending or buckling when packing, making it ideal for both internal and external hydration sleeves. Durable, streamlined, and easy to use, it’s designed to keep you going longer between refills.