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Osprey HydraForm Reservoir

3.7 3.7 out of 5 stars 141 ratings
Currently unavailable.
We don't know when or if this item will be back in stock.

About this item

  • 180 degree on/off pivot bite valve with magnet
  • Integral framesheet eliminates barreling
  • Rigid handle for easy insertion and removal in pack
  • 2L/70 ounce capacity

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Product Description

Our customized reservoirs have a rigid handle/spine that stabilizes the water load and makes it easier to slide the reservoir into your pack. They also feature a 80mm Rapidfill cap, a wide-mouth that makes filling the reservoir with ice and cleaning easy; an ergonomic handle that makes water fill up even easier; a convenient magnetic connection to the sternum buckle for easy hose management, and an articulated pivoting on/off bite valve that eliminates unexpected leaks.

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Osprey HydraForm Reservoir

Osprey HydraForm Reservoir

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Customer reviews

3.7 out of 5 stars
3.7 out of 5
141 global ratings

Customers say

Customers are happy with the quality, clip and performance of the water bottle. They mention it's worth the money, works well and has a good seal. Customers are also happy with ease of use, sturdiness, and rigidity.

AI-generated from the text of customer reviews

28 customers mention25 positive3 negative

Customers like the quality of the outdoor recreation product. They say it's well made, sturdy, and worth the money. Some mention that it works well and is great with the Osprey Talon backpack.

"...Great bag, superb bite valve. Proprietary design of hose connection makes it less versatile than other options." Read more

"...It looked awesome and had some great features. Unfortunately, the first time we filled it up it leaked all around the seams." Read more

"...PROSI purchased the 3 L model because it was cheaper and it has the potential to hold more water for longer hikes...." Read more

"We bought two of these because they were so cheap. One was the new style with all the parts...." Read more

22 customers mention20 positive2 negative

Customers are impressed with the magnet strap system that keeps the tube handy. They also like the convenient clasp with a magnet that makes it easy to use with various accessories. Customers also mention that the magnetic mouthpiece really helps keep it close by, but out of the way while hiking.

"...I also like the magnet on the bite valve: it keeps the tube from flopping around everywhere...." Read more

"...The hose has a unique magnetic clip to hold it along your pack's chest strap for easy access and under most situations it works quite well...." Read more

"...best feature of the bladder is the fact that the mouth piece has a strong magnet built in...." Read more

"...a hole in the bladder, has a nicely built in carrying handle, powerful magnet built in to the mouth piece for quick attachment to your shoulder..." Read more

21 customers mention16 positive5 negative

Customers like the leakage of the water bottle. They say it works great, has no leaks, and has a good seal. Some mention that the mouthpiece is easy to use and doesn't leak.

"...and provides exceptional water flow with little effort and it doesn't leak...." Read more

"...for quick attachment to your shoulder straps, and easy to use mouthpiece that doesn't leak! Overall I'm quite pleased with this product." Read more

"...With that said, I have had absolutely zero problems with leakage, disassembling, or function...." Read more

"...Unfortunately, the first time we filled it up it leaked all around the seams." Read more

21 customers mention21 positive0 negative

Customers are satisfied with the performance of the water bottle. They mention that it works well under most situations, works great with Osprey gear, and works nicely in a variety of day packs. The bite valve works fine and has no problems. The valve mechanism is good and the bag is great.

"...Anyway, mine works great and I love it. I bought it for use in my Osprey Stratos 24 Daypack...." Read more

"...It has the best bite valve of any system I've tried (Platypus, Coleman, Camelpak, Sawyer) and provides exceptional water flow with little effort and..." Read more

"...This reservoir is well made reasonably light and just plain works...." Read more

"...It worked very well, but I wish there was a way to know when you were almost out of water...." Read more

18 customers mention16 positive2 negative

Customers like the fit of the water bottle. They mention that it fits perfectly in their pack, it's the right size, and simple to use. Some say that it'll fit into the contoured sleeve on their Osprey Atomos with no issues. Overall, most are pleased with the size and performance of this container.

"This his a very well designed product and fits into the contoured sleeve on the Osprey Atomos with no problems...." Read more

"Bought this to fit into my REI Flash 18 daypack and it fit the pack perfectly...." Read more

"..."field test" my new hydration reservoir, but it fit into my pack very well, and I can't wait to take it "for a spin."..." Read more

"...It slides into my pack easily and most importantly, the lid is easy to screw on and does not leak...." Read more

15 customers mention15 positive0 negative

Customers find the product easy to use. They say it has a good valve mechanism, making it easy to access and use with various packs. The bladder is rigid, making inserting it much easier. The lid is easy to screw on and does not leak. The large size makes it easy fill, dry, and keep clean. Customers also say it's convenient for hiking or just trips to the park.

"...The fact that the bladder is rigid makes it much easier to insert...." Read more

"...The bladder is very solidly built and is designed to make using it very easy...." Read more

"...The molded handle and two loops allow for easy maneuverability in and out of the day pack (I have an Osprey Stratos 34)CONS..." Read more

"...This version spins on freely and is much easier to grasp. Get one of the Nalgene versions before they are all gone." Read more

14 customers mention14 positive0 negative

Customers are satisfied with the sturdiness of the water bladder. They mention that it is durable, does not break when falling, and has a strong material sewn on the back to protect it against wearing. The reservoir is well constructed and lasts. Customers also appreciate the rigidity of the reservoir, as it distributes water weight more evenly.

"...The bladder is very solidly built and is designed to make using it very easy...." Read more

"...has a wide fill top for ease of filling, and has a strong material sewn on the back to protect it against wearing a hole in the bladder, has a..." Read more

"I really like the rigid frame of the product so it doesn't collapse when trying to fill it or when trying to dry it afterwards...." Read more

"...The material is tough and I like the magnetic retainer clip for the mouth piece..." Read more

13 customers mention13 positive0 negative

Customers like the rigidity of the outdoor recreation product. They mention that the frame is rigid, the back is rigid and the handle/spine is rigid. The bladder is rigid making it much easier to insert. The product has an internal stiffener and sternum strap magnet. It has a good seal and the rigid form allows easier filling. The hard shell back piece is comfortable and the carrying handle is nicely built in.

"...The fact that the bladder is rigid makes it much easier to insert...." Read more

"...protect it against wearing a hole in the bladder, has a nicely built in carrying handle, powerful magnet built in to the mouth piece for quick..." Read more

"...The molded handle and two loops allow for easy maneuverability in and out of the day pack (I have an Osprey Stratos 34)CONS..." Read more

"...True to form, Osprey has added some unique features with an internal stiffener and sternum strap magnet holder...." Read more

Top reviews from the United States

Bobb L. Bittner
5.0 out of 5 stars No leaks, love it!
Reviewed in the United States on September 29, 2011
Verified Purchase
Maybe there is poor quality control on these? It seems like people either love them, or hate them because they leak.

Anyway, mine works great and I love it. I bought it for use in my  Osprey Stratos 24 Daypack . The fact that the bladder is rigid makes it much easier to insert. I also like the magnet on the bite valve: it keeps the tube from flopping around everywhere.

The only thing that I'm not wild about is the bite valve. It takes a little bit of work to get a good pull of water. I don't have experience with other ones, though, so this could be totally normal. I'm not going to dock any stars for it.

2L is a good size for about 10 miles in mild weather. I think I might pick up a 3L one as well, for longer hikes or for when it is especially hot.
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One Degree Life
4.0 out of 5 stars Excellent, but has weight vs. others
Reviewed in the United States on May 1, 2013
Verified Purchase
This his a very well designed product and fits into the contoured sleeve on the Osprey Atomos with no problems. It has the best bite valve of any system I've tried (Platypus, Coleman, Camelpak, Sawyer) and provides exceptional water flow with little effort and it doesn't leak.

The hose has a unique magnetic clip to hold it along your pack's chest strap for easy access and under most situations it works quite well.

The hose is a tad shorter than some, but it wont be an issue for most backpacker.

I LOVE the weight and design of my Platypus setup, however. I have two 3L bags and have created my own "Gravity Works" setup but with a Sawyer filter in the mix. The bag's are SUPER light weight, have completely removable hoses and work flawlessly.

I use one for dirty water (marked with sharpie) and fill it and then run the clean into an identical waiting bag. No lost water, completely contained, clean, water.

With this bag in the mix, it's more cumbersome because I have to monitor the process instead of just leaving it on the ground to run itself. On the Platy, you insert the INBOUND clean water hose directly into the click lock and it fills the bag. Then you disconnect the filter hose and click in the bite valve hose and you're good to go. The clean bag IS your hydration bag.

Because this hose isn't removable, you have to filter the clean water into the Nalgene screw lid. This means the hose can fly out and debris can enter. It's not a closed system. And because the lid is on the side at the top, you have to fill it sideways with the lid facing up in order to let the water bag expand.

It's also a few oz. heavier than the Platy, but it's go the back contour and harder plastic shell. If the opening was fully closed during filling because it had an industry standard click valve, it would be ideal for Osprey packs, even with the extra oz.

Great bag, superb bite valve. Proprietary design of hose connection makes it less versatile than other options.
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E. P. Seidlitz
5.0 out of 5 stars Well designed and easy to use
Reviewed in the United States on May 28, 2012
Verified Purchase
I bought this water reservoir to fit an Osprey Kestral 38L pack, although it will fit into many other backpack brands. The bladder is very solidly built and is designed to make using it very easy. Simply fill it through the conveniently large opening, slip it into the space between the pack and the mesh (which is against your back), and run the hose through the loops on the shoulder straps. The absolute best feature of the bladder is the fact that the mouth piece has a strong magnet built in. All you do is slide the included clip onto an adjustment strap on your pack where you want the mouthpiece to be positioned. When you take a drink, just move the mouthpiece close to the magnet and it snaps into place and stays in the perfect location for your next drink. Much better than a more complicated clip-on holder. The XX-large holds about 3L of water (~3kg) and it distributes the weight close to your spine. Filling it with cold water also keeps your back cool. No more water bottles for me!
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AK
1.0 out of 5 stars Defective
Reviewed in the United States on December 20, 2012
Verified Purchase
I got this for my hiking buddy for Christmas and we were so excited. It looked awesome and had some great features. Unfortunately, the first time we filled it up it leaked all around the seams.
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AT maintainer
2.0 out of 5 stars Nice design, bad taste
Reviewed in the United States on September 29, 2011
Verified Purchase
Based on other reviews, the Osprey HydraForm sounded like a good choice for my Osprey pack. I think the design works well, but I have hardly used the reservoir because the water comes out with a medicinal taste. Two friends have the same problem. Many soakings in water, one with baking soda, a couple of days of vinegar have not eliminated the taste. Soaking in Seventh Generation free and clear (i.e. no scents) dish detergent may have helped. Nothing found on Osprey web site about this problem. A hundred links about "taste free" have not helped. If it were not for the taste in the water, I think I would be happy with it.
Little annoyances: no directions on how to remove the drinking tube for cleaning or replacement; the drinking tube brush does not quite go to the end of the tube, so has to be used from both ends of the tube, but the drying frame works as hoped.
This is my first reservoir so I cannot compare it to others. So I continue to rely on Nalgene bottles.
2 people found this helpful
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Vissarian
3.0 out of 5 stars Good, but missing clip
Reviewed in the United States on May 1, 2012
Verified Purchase
Bought this to fit into my REI Flash 18 daypack and it fit the pack perfectly. Wish the tube could be routed on the left hand side of the reservoir rather than fixed to the right, but that is a relatively minor complaint. However, I was really disappointed that it did not come with the magnetic sternum strap as advertised. Took off 2 stars due to this. If Osprey would like to correct this omission, I'd be happy to revise my review. Somehow, I think the packaging, which is easy to remove the product from, somehow contributed to the loss of the clip prior to shipping. Don't want to go through the hassle of returning item and waiting for a new one just to get this small piece. Will buy in a store next time so I can personally check all contents.
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Top reviews from other countries

Translate all reviews to English
ガラポン
5.0 out of 5 stars キャメルとの比較で
Reviewed in Japan on July 19, 2013
Verified Purchase
私自身はキャメルバッグ社製の同類品を使用しており、今回は家族用に買いました。
キャメルとの機能的な相違を比較してみると

・流量が多い反面、吸い込む力も必要（あえて比べなければ両者とも不満無いレベルですが）
・吸い込み口、角度が自在＋磁石で固定機能はキャメルには無い。
・固定板の分だけ（特に空の状態では）かさばるが、バッグ内での納まり具合や
　水が減った時の流量安定性は上
・洗浄、乾燥は同等
・補修部品のばら売り、ホース長さの選択性はキャメルが上

総合としては、吸い口 と 背板 の分、単品での機能はこちらに軍配を上げます。
少し安いのも良いですね
3 people found this helpful
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クウガ
5.0 out of 5 stars コスパ　機能性　最良
Reviewed in Japan on September 27, 2012
Verified Purchase
確かに最初はゴムのにおいが気にはなるけど、このての商品はだいたいそんなもんだと納得できる範囲。

水漏れは無かったです＾＾

形やサイズもちょうど良いし、構造的に形が崩れないのはザックの中で安定感があってGood!

大き目のザックだと底の方に入っていきがちのハイドレーションを
吊り下げて上に固定してザックの重心を下げないで良いのもやりやすい。

マグネットも強力でしっかり固定される。

何よりもこの商品で、この価格は超満足の1品！
6 people found this helpful
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初心者
3.0 out of 5 stars えぇ・・・
Reviewed in Japan on August 5, 2013
Verified Purchase
届いてすぐに袋に水をいれて水漏れ確認し、次の日の登山で使用しました。
ザックを背負って数分後、何かお尻の辺りが冷たい・・・
確認したところ、ハイドラをいれた保冷バックが水浸しに。
どうやらこの子が水漏れしたようです・・・

その場はとりあえずハイドラを持っていくことをあきらめ、排水溝に中身の水をすてて車に
つっこみ、泣く泣く高いペットボトルを買ってその日は山に登りました。

家に帰って調べたところ、ザックに入れた状態のように、袋に圧がかかった場合にのみ
袋とホースのジョイント部から漏れていました。
（水を入れただけの状態では漏れていませんでした）

調べたところ、結構このように圧がかかった状態で漏れている方が多いようです。
なので最初に
　1.水を入れて漏れてないことを確認
　2.水を入れ空気抜きした状態で袋に圧をかけ、漏れないことを確認
はしておいたほうがよいと思います。

自分は問題ないと思って箱を捨ててしまったので、とりあえず水道用のネジ付きバンド
や結束バンドで何とかならないか試して、だめだったら捨てます・・・

圧がかかっていない状態での使用はとてもよかったので、この評価にしています
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momy
4.0 out of 5 stars 最初だけ、少し臭いがしました
Reviewed in Japan on July 24, 2011
Verified Purchase
良い点：
2Lクラスのハイドロバッグよりも大きいため、私の場合、最大3L入るところに2Lだけ
入れて全体を薄く平らにして使っています。

ザックの中の空間に合わせて形が変わるので収納しやすく安定します。

注ぎ口が広く、内面を洗うのに重宝します。

フレームを兼ねた、ハンドルが水を注ぐときに持ちやすく便利です。

飲み口の向きは変えることが出来ます。（左右90°）
真っ直ぐに向けると流れなくなります。

悪い点：
バイトチューブの透明な部分がシリコンゴム？なのか
ビニールのような臭いが強く、２〜３回使用して漸く
臭いが気にならなくなってきました。

バイトチューブのゴム部だけ外す事ができるので、
湯呑みなどに入れたお湯に浸しておくと、
臭いが取れるのも早いみたい！？・・・かなぁ。
15 people found this helpful
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ちゃぴん
5.0 out of 5 stars 夏山の必需品
Reviewed in Japan on March 21, 2014
Verified Purchase
夏場はコレがあると非常に便利です。
腰にぶる下げるペットボトルでもいいのですが、ハイドレーションになれると、コレなしの夏山は考えられないくらい便利です。
最近はモデルが変わって高くなってしまったけど、使ったことがない方は是非使って下さい。
しばらくプラスチックのような味がするけど、慣れちゃえば我慢できる範囲と思います。
使用後の乾かし方が難しいけど、あると便利な逸品です。
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