Osprey Hydraulics 3L Reservoir

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A well-designed hydration bladder with a few features that set it apart from other competitors in this field.

Osprey says: 

From the handle to the hose and baffles to the bite valve, we thought through every interaction and aspect of our Hydraulics design to identify opportunities for a better user experience—redesigning, reshaping and updating to create our best reservoir series yet.

Our Verdict

A well-made and ergonomically designed water bladder. My favourite feature is the quick connect tube which means I don’t have to fully unthread the drinking tube every time I need to fill up the bladder. You can also use this connection to attach a filter.

The carry handle is robust; you can feel its quality, and you will be confident it won’t brake. The large opening makes the bag very simple to fill, whether you are filling it from a tap or a stream.

It had a little aftertaste at first, but after a few uses it went away. If this problem persists, squeeze a lemon into the bag, fill the bag with water and freeze, this should eliminate the problem.

– Reviewed by Ultralight Outdoor Gear

Features

• An all-new comfortable handle allows for true one-handed filling. This easier-to-fill design is also easier to carry and pour. 
• An all-new compact bite valve preserves excellent water flow in a smaller package. Equipped with a new on/off lever that is thumb-operable and easy to regulate with one hand. 
• A brand-new compact Slide-Seal™ opening allows for one-handed filling, removes bulkiness, slides into packs easier and seals securely. Our new Hydraclip reservoir attachment seamlessly integrates with this new opening design. 
• All parts in this system, including the magnet, sternum slider and sternum buckle, have been updated to ensure a more secure hose capture. 
• An all-new thoughtfully designed reservoir attachment clip that is intuitive to operate and integrates seamlessly with current and past season reservoirs. 
• A new centre baffle on 2 L & 3 L reservoirs flattens the profile while carrying the stiffness of the backer plate through to the front panel. This reduces bending and buckling when loading into the pack.

Specifications

• Weight: 236g
• Dimensions: 17.76 x 7.48 in / 45.1 x 19 cm
• Litres: 3 L
• Fluid ounces: 100 fl oz