The Osprey Hydraulics Reservoir is a cutting-edge hydration solution redesigned for optimal performance anywhere you go. From enhanced ergonomics to improved functionality, this reservoir sets a new standard for on-the-go hydration, whether you're commuting, traveling, or hitting the trails. Its lightweight yet durable backer plate minimizes bending and buckling during loading, making it perfect for use in internal or external hydration sleeves. Osprey Hydraulics Reservoir Features: Compact Bite Valve: Ensures excellent water flow for quick and easy hydration. Thumb-Operated On/Off Lever: Allows for effortless operation with just one hand. Compact Slide-Seal™ Opening: Facilitates one-handed filling, reduces bulkiness, and seamlessly integrates with packs for secure storage. HydraClip Reservoir Hanger: Provides a secure attachment point within compatible packs. Secure Hose Magnet System: Keeps the hose in place during activity for hassle-free hydration. Center Baffle and Backer Plate: Flatten the profile and maintain stiffness, reducing bending and buckling during loading.