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Gregory
3D Hydro 2L Reservoir

4.647058823529412 out of 5 stars
17 Reviews
$42.95
Color:Ocean/Orange

Size:

Quantity

Only 1 In stock


Why We Like The Gregory 3D Hydro 2L Reservoir

For our marathon trail runs and long, all-day hikes, we turn to the unique, soft-molded design of the 3D Hydro 2L Reservoir from Gregory. This reservoir provides comfort and stability on the trail, and it dries quickly thanks to its integrated hanger. The custom SpeedClip attachment system and spine handle make for an easy-to-fill reservoir that fits perfectly in any Gregory 3D hydro-ready pack.


Details

  • Innovative, intuitive hydration reservoir for any Gregory hydro pack
  • Soft-molded construction is durable, flexible, and safe for water
  • Drylock magnetic bite valve for leak-free storage
  • Inline hose quick-disconnect coupling for easy refills
  • Rubberized fill port opening with integrated hose locator
  • SpeedClip attachment is a one-handed, lock-and-go linkage system
  • Item #GREZ08P
Material
100% polyethylene, silicone, TPU
Volume
2L (68fl oz)
Valve
DryLock Magnetic Bite Valve
Dimensions
14.25 x 7 x 3in
Claimed Weight
6.5oz
Manufacturer Warranty
limited lifetime
Activity
hiking, camping, running

What do you think about this product?

Overall Rating

4.5 based on 17 ratings

Review Summary

1 Stars - 0 reviews
2 Stars - 1 reviews
3 Stars - 1 reviews
4 Stars - 1 reviews
5 Stars - 14 reviews

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2 out of 5 stars

August 29, 2025

Not very durable.

Meh. Disappointed in its durability. Within 1 season of average use, I bit through the bite valve, and something punctured the bladder (can't imagine what -- the puncture is barely visible and very tiny), making it useless. Buying a replacement, but if it doesn't fare better than than first one, I'm moving on.

Experienced with gear
Gregory

Originally reviewed on Gregory

5 out of 5 stars

August 21, 2025

Great fit for running vest

Needed a 2L bladder for a new running vest and this one fits great. Convenient to have a magnetic attachment for the hose.

Jake G
ExpertVoice.com

Originally reviewed on ExpertVoice.com

5 out of 5 stars

July 7, 2025

Quality Hydro Bladder

Quality Hydro Bladder - well made, great instructions with the packaging, so happy with my purchase - works great! Highly recommend! =)

RebesanS
Gregory

Originally reviewed on Gregory

4 out of 5 stars

April 26, 2025

pretty good

the mouth piece did not have a slit in it so it was unusable at first and i had to cut the slit into it myself which was unfortunate. otherwise it is a good product.

mack f
Gregory

Originally reviewed on Gregory

5 out of 5 stars

April 19, 2025

so easy to fill.

I never thought I’d be excited about a hydration bladder, but this one is wonderful. It’s so easy to fill without a lot of hose drama or getting yourself wet in the process. I have a Gregory pack, so I love the integrated hook, but this is a dreamy hydration bladder for any pack. Just buy it. you won’t regret it.

HIKR541
Gregory

Originally reviewed on Gregory

5 out of 5 stars

December 7, 2024

Best bladder

I love this bladder. I own three. I have owned and used a variety of bladders. I like this one because it is easy to dry and easy to fill without leaking. It's very straightforward to sanitize and use. Definitely recommend this bladder.

Amanda P
ExpertVoice.com

Originally reviewed on ExpertVoice.com

3 out of 5 stars

September 24, 2024

Get a different bite valve

I have several of these and I do not like the new bit valve this one came with. I will be swapping it for something better. The bladder itself is great though and works with Osprey, Camelbak, and of course Gregory packs well.

Carter C
ExpertVoice.com

Originally reviewed on ExpertVoice.com

5 out of 5 stars

August 27, 2024

Can't ask for any improvements--great bladder

I've been using this on longish 12-15 mile hikes and it's perfect for that. It's an easy clip on the back pack and fits great in the pack. It's heavy duty enough that I fill partially and freeze overnight and feel comfortable with that. The magnetic clip works perfectly.

TMBhiker
Gregory

Originally reviewed on Gregory

5 out of 5 stars

August 16, 2024

10 out of 10

Works great, no leaks, love the handle that makes filling a breeze

JamieP
Gregory

Originally reviewed on Gregory

5 out of 5 stars

June 17, 2024

It’s perfect!

Why have I never owned one of these?! So easy to use and clean! Obsessed!

Goli
Gregory

Originally reviewed on Gregory

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Gregory 3D Hydro 2L reservoir for marathon trail runningDurable soft-molded hydration reservoir for hikingLeak-free DryLock magnetic bite valve for easy hydrationQuick-disconnect hose for effortless refills on the goInnovative 2L reservoir designed for all-day hikesComfortable and stable hydration solution for outdoor activitiesLightweight 6.5oz reservoir fits perfectly in Gregory packsFlexible polyethylene material for safe water storageOne-handed SpeedClip attachment for convenienceIntegrated hanger for quick drying after usePerfect for both men and women hikers and runnersVersatile hydration reservoir for camping and backpacking

Learn more about 3D Hydro 2L Reservoir