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Osprey Packs
Hydraulics LT Hydration Reservoir

4.294117647058823 out of 5 stars
34 Reviews
$40.00 - $42.00
Color:One Color

Size:

Quantity


Why We Like The Osprey Hydraulics LT Hydration Reservoir

Osprey doesn't mess around when it comes to keeping us comfortable on the trail, and that's evident in the design of the Hydraulics LT Hydration Reservoir. Made with twin-welded chevron baffles, this reservoir limits sloshing, stabilizes water, and maintains a flat profile in our pack. Osprey equipped the Hydraulics LT with a convenient Slide-Seal closure for easy-filling at the kitchen sink or spring, and the magnetic bite valve ensures we don't lose any water until we're good and ready to wet our whistle.


Details

  • Stable hydration backpack awaits your boundless adventures
  • BPA- and phthalate-free TPU bladder for more carefree hydration
  • Twin-welded chevron baffles secures the sloshy cargo over rowdy terrain
  • Carry handle for easy slinging into the back of a car
  • Magnetic bite valve corrals the hose while you're focused on hiking
  • QuickConnect hose system seals off the reservoir to avoid leaking
  • Item #OSPZ1GN
Material
TPU (thermoplastic polyurethane)
Volume
[1.5L] 51oz, [2.5L] 85oz
Valve
bite
Dimensions
[1.5L] 12.5 x 8 x 2in, [2.5L] 15 x 8 x 2in
Claimed Weight
[1.5L] 5.6oz, [2.5L] 6.4oz
Manufacturer Warranty
lifetime
Activity
hiking, backpacking

What do you think about this product?

Overall Rating

4.5 based on 34 ratings

Review Summary

1 Stars - 3 reviews
2 Stars - 2 reviews
3 Stars - 1 reviews
4 Stars - 4 reviews
5 Stars - 24 reviews

Fits True To Size

Screen reader users: the following list provides a visual scale to illustrate the product fit. Please refer to the heading above for the fit type in text.
Runs smallTrue to sizeRuns large

Customer Images

Here's what customers have to say

The Osprey water reservoir is generally well-received, with customers praising its quality, ease of use, and durability. Positive reviews highlight the leak-proof design, comfortable fit, and convenient quick-release hose. Customers appreciate the reservoir's ability to keep them hydrated during activities. However, some customers have experienced issues with the newer design, such as difficulty closing the reservoir and leaks. A few reviewers also noted challenges with cleaning and drying the reservoir. Overall, the water reservoir is considered a good hydration option, though the latest design changes have received mixed feedback.

AI-generated from the text of customer reviews.

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3 out of 5 stars

August 23, 2025

New design is a step backwards

Familiarity:
I've used it once or twice and have initial impressions

I had an Osprey Hydraulics 2.5L for nearly 8 years before it finally gave up the ghost. The new version is a step backwards. The older design allowed easy lifting and placing of the bladder into a full backpack due to the horizontal hand grab at the top of the bag. This allowed you to slide the bladder in and out of the bag without having to squeeze your hand between the bladder and the backpack. The new handle runs vertically down the top part of the bag which eliminates the advantage of the prior design. It also creates two attachment points of the external handle to the reservoir which simply means there are now two points of failure waiting to happen if you put too much stress on how you handle the bag when carrying by hand. Also, the old design featured a wider mouth which made for easy filling and dumping. I don’t understand why Osprey has chosen to shrink the size of the opening. One point in favor of the new design is the shut-off value at the mouth piece which keeps you from accidentally spilling water out of the drinking tube when setting your pack down for the day.

kgr101199081
4 out of 5 stars

August 15, 2025

Great little reservoir

This is my second one - it’s very easy to fill, is the perfect size for me. My only suggestion is that the hygienic cover for the tube should be an intrinsic part of the kit rather than an additional purchase.

Lis W.
osprey-emea

Originally reviewed on osprey-emea

5 out of 5 stars

July 18, 2025

A great alternative to carrying

[This review was collected as part of a promotion.] A great alternative to carrying water bottles. Something about the new design makes the reservoir easier to fit into the pack; maybe it’s the increased structural support from the red frame. There’s a sort of permanently sticky closure at the top of the reservoir that keeps water from leaking out. Thanks for a well-made product!

Susan W.
Osprey

Originally reviewed on Osprey

5 out of 5 stars

July 17, 2025

Osprey Water Reservoir

I'm really enjoying the water reservoir. It is leak proof, fits well into my Osprey hiking bag and makes keeping hydrated so much easier when out and about.

Helen N.
osprey-emea

Originally reviewed on osprey-emea

5 out of 5 stars

July 16, 2025

Great water bladder

Everything is built to create a robust, great working long lasting water bladder. Easy to fill and drink from. I won’t buy any other bladder. I use mine whilst kayaking. It sit’s on my deck securely and the hose is ling enough to drink from whilst still paddling.

Matty G.
osprey-emea

Originally reviewed on osprey-emea

5 out of 5 stars

July 7, 2025

Seems very well made. Fits

[This review was collected as part of a promotion.] Seems very well made. Fits perfectly into my talon 22

Cliff R.
Osprey

Originally reviewed on Osprey

4 out of 5 stars

June 26, 2025

Great product

Easy to use, great size and shape. Only thing would improve is the magnet attachment to bag strap. It’s probably fine for osprey bags but with other bags that have smaller straps it comes off easily.

Grace T.
osprey-emea

Originally reviewed on osprey-emea

5 out of 5 stars

June 23, 2025

The quality is unparalleled and

[This review was collected as part of a promotion.] The quality is unparalleled and the design of the new bladder is awesome. After using Osprey for over a decade something stands out. The product is always phenomenal, but the customer service is what keeps me coming back

Jason G.
Osprey

Originally reviewed on Osprey

5 out of 5 stars

May 24, 2025

Very disappointing

I used this 5 times and then realised that it was leaking. Two holes near plastic holder. Very disappointed and suspect this is a design fault. I have the 1. 5 L one and it has been fine for over a year and still going strong

user image
Sophie W.
osprey-emea

Originally reviewed on osprey-emea

5 out of 5 stars

May 22, 2025

Thanks and yes the bladder

[This review was collected as part of a promotion.] Thanks and yes the bladder is just as described. The baffles inside keeps it quiet while walking/hiking out and about. This version of the bladder is awesome. The only downfall is that it is difficult to insert the inner fit collapsible device to air dry it after cleaning

Harold M.
Osprey

Originally reviewed on Osprey

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