Nathan Hydration Bladder BPA Free, Water Bladder for Hiking Backpack, Hydration Backpack, Hydration Pack, Running, Walking, Obstacle Course Race, Cycling

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$36.28

$36.28


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Customers say

Customers find this hydration bladder to be a great replacement for their Nathan pack, with one noting it's better than a camelback. The product works well and is easy to clean and dry, with a detachable hose that makes it convenient for maintenance. They appreciate how it fits in any backpack or vest. However, some customers report issues with leakage, particularly noting problems with the bottom and connector.

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36 customers mention replacement quality, 33 positive, 3 negative

Customers find this hydration bladder to be a great replacement for their Nathan hydration pack, noting it performs better than camelback alternatives.

This looks like a great bladder, and I had read the reviews about them coming sealed and was prepared to cut it open but I couldn't do it effectively…Read more

…I am on number 4 of this bladder in less than a year. It's a great product, but it will certainly get a hole….Read more

Good replacement! Fits perfect in my Nathan pack and holds a good amount of water.Read more

Nice replacement bladder for my Nathan VaporAiress….Read more

20 customers mention reliability, 14 positive, 6 negative

Customers report that the hydration pack works great and has no issues, with one customer noting that the bite valve functions perfectly.

Works great but turned yellow right after the first use. Not sure why, I washed it before the first time and each time after….Read more

For perfect as a replacement for my Nathan hydration pack. No issues. Ready to run!Read more

…Very disappointing this one was faultyRead more

Replaced old bladder that got a hole. Works great to date.Read more

15 customers mention disconnection, 11 positive, 4 negative

Customers appreciate that the hydration pack's hose is easy to disconnect and reattach, with a quick-release valve that makes cleaning simpler.

…to get the right amount of fluids coming out. ⁃ It has a quick disconnect tube that ‘feels right’ when you are connecting or disconnecting the…Read more

…This one has a quick release valve for easy cleaning and drying!Read more

…As already been stated many times – comes with a new hose but NOT the little magnetic. Would have been nice to get a new/replacement magnet….Read more

…They've since added the ability to disconnect the hose, and the mouthpiece no longer has a nasty taste. Now, it's perfect….Read more

15 customers mention ease of cleaning, 13 positive, 2 negative

Customers find the hydration pack easy to clean and dry, with one customer noting it dries in under 5 minutes.

Easy to clean. Easy to use. Fits any back pack really. It’s better to just buy this instead of a whole water bladder set….Read more

…I needed the replacement bag and it works great. Fit right in, clean, ready to use! The Water flow is consistent , it is durable and comfortable.Read more

…This one has a quick release valve for easy cleaning and drying!Read more

…I am mad at myself for waiting so long. This one is easy to clean and dry. Nathan is the best brand for all my running performance needs.Read more

13 customers mention fit, 13 positive, 0 negative

Customers like how the hydration pack fits, noting that it accommodates in any backpack or vest.

…This one fits great and is easy to use.Read more

…This was an exact match, fits in everything I used in my pack. No leaks! The storage capacity is a full 2 liters and fits in everything I used it on….Read more

Easy to clean. Easy to use. Fits any back pack really. It’s better to just buy this instead of a whole water bladder set….Read more

Fits well in my Nathan running vest. 2l is probably more than I need but it performs as advertised.Read more

26 customers mention leakage, 6 positive, 20 negative

Customers report issues with the hydration pack's leakage, noting problems with the bottom and connector, with one customer mentioning that water flies everywhere while running.

…I bought this as a replacement and now it not only sticks, it leaks. This made it unusable and it happened the morning of a race….Read more

…in early May and a few days ago (today is July 1st) the bite valve started leaking a nothing I have tried fixed it….Read more

So disappointed, leaks from the mouthpiece. I took it for a 16 miler and almost threw it out at mile 8. I was soaked….Read more

…This was an exact match, fits in everything I used in my pack. No leaks! The storage capacity is a full 2 liters and fits in everything I used it on….Read more


Perfect Replacement For The Nathan Vapor Air Men’s Hydration Vest.

5 out of 5 stars

Perfect Replacement For The Nathan Vapor Air Men’s Hydration Vest.
⁃ I purchased this bladder as a replacement for the previous one I used in the Nathan Vapor Air men’s hydration vest. (Size L/XL) ⁃ It is a direct fit to the Nathan Vapor Air vest pouch at the back. ⁃ Sadly, it doesn’t come with the magnetic hose magnet that connects the hose bite valve to the vest itself on the Vapor Air. I went to the Nathan website, chatted with a representative and the representative sent me, for free, a magnet together with a hose. Thanks Nathan for standing behind your products. ⁃ It comes with calibrations and has a maximum fill line beyond/past which you can’t fill. ⁃ The clamp that closes the hydration bladder together works well and it is airtight/watertight. No leaks whatsoever from the top. ⁃ Wash the bladder with a vinegar plus lukewarm water solution the first time you use it and immediately after use, each time. Hang it to dry as I have seen people complain about mold on older hydration bladders that were not aired out properly. If you use colored fitness fluids eg Gatorade, hydration solutions, clean and rinse it immediately after running/use as the bag will start discoloring/adopting the color of the drink/solution. ⁃ I have used it in 2 full marathons and 3 long training runs and it has performed well. I hope that it shall last long. ⁃ The bite valve works perfectly. After using another bite valve from another hydration bladder that leaked after a few uses, I appreciate how easy it is to use the Nathan bite valve. You don’t have to twist it regularly to get the right amount of fluids coming out. ⁃ It has a quick disconnect tube that ‘feels right’ when you are connecting or disconnecting the tube/hose from the bladder. ⁃ Since I wash and rinse it of its contents after every use, I am able to use different fluids and not taste them after switching them between runs on different days. The taste doesn’t linger like it does on many plastic items. (But you have to wash and rinse it first.)

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Top reviews from the United States

  • 5 out of 5 stars

    Perfect Replacement For The Nathan Vapor Air Men’s Hydration Vest.

    Reviewed in the United States on October 13, 2018
    Brief content visible, double tap to read full content.
    Full content visible, double tap to read brief content.
    ⁃ I purchased this bladder as a replacement for the previous one I used in the Nathan Vapor Air men’s hydration vest. (Size L/XL)
    ⁃ It is a direct fit to the Nathan Vapor Air vest pouch at the back.
    ⁃ Sadly, it doesn’t come with the magnetic hose magnet that connects the hose bite valve to the vest itself on the Vapor Air. I went to the Nathan website, chatted with a representative and the representative sent me, for free, a magnet together with a hose. Thanks Nathan for standing behind your products.
    ⁃ It comes with calibrations and has a maximum fill line beyond/past which you can’t fill.
    ⁃ The clamp that closes the hydration bladder together works well and it is airtight/watertight. No leaks whatsoever from the top.
    ⁃ Wash the bladder with a vinegar plus lukewarm water solution the first time you use it and immediately after use, each time. Hang it to dry as I have seen people complain about mold on older hydration bladders that were not aired out properly. If you use colored fitness fluids eg Gatorade, hydration solutions, clean and rinse it immediately after running/use as the bag will start discoloring/adopting the color of the drink/solution.
    ⁃ I have used it in 2 full marathons and 3 long training runs and it has performed well. I hope that it shall last long.
    ⁃ The bite valve works perfectly. After using another bite valve from another hydration bladder that leaked after a few uses, I appreciate how easy it is to use the Nathan bite valve. You don’t have to twist it regularly to get the right amount of fluids coming out.
    ⁃ It has a quick disconnect tube that ‘feels right’ when you are connecting or disconnecting the tube/hose from the bladder.
    ⁃ Since I wash and rinse it of its contents after every use, I am able to use different fluids and not taste them after switching them between runs on different days. The taste doesn’t linger like it does on many plastic items. (But you have to wash and rinse it first.)

    Perfect Replacement For The Nathan Vapor Air Men’s Hydration Vest.
    Perfect Replacement For The Nathan Vapor Air Men’s Hydration Vest.
    Perfect Replacement For The Nathan Vapor Air Men’s Hydration Vest.
    Perfect Replacement For The Nathan Vapor Air Men’s Hydration Vest.

    ⁃ I purchased this bladder as a replacement for the previous one I used in the Nathan Vapor Air men’s hydration vest. (Size L/XL)
    ⁃ It is a direct fit to the Nathan Vapor Air vest pouch at the back.
    ⁃ Sadly, it doesn’t come with the magnetic hose magnet that connects the hose bite valve to the vest itself on the Vapor Air. I went to the Nathan website, chatted with a representative and the representative sent me, for free, a magnet together with a hose. Thanks Nathan for standing behind your products.
    ⁃ It comes with calibrations and has a maximum fill line beyond/past which you can’t fill.
    ⁃ The clamp that closes the hydration bladder together works well and it is airtight/watertight. No leaks whatsoever from the top.
    ⁃ Wash the bladder with a vinegar plus lukewarm water solution the first time you use it and immediately after use, each time. Hang it to dry as I have seen people complain about mold on older hydration bladders that were not aired out properly. If you use colored fitness fluids eg Gatorade, hydration solutions, clean and rinse it immediately after running/use as the bag will start discoloring/adopting the color of the drink/solution.
    ⁃ I have used it in 2 full marathons and 3 long training runs and it has performed well. I hope that it shall last long.
    ⁃ The bite valve works perfectly. After using another bite valve from another hydration bladder that leaked after a few uses, I appreciate how easy it is to use the Nathan bite valve. You don’t have to twist it regularly to get the right amount of fluids coming out.
    ⁃ It has a quick disconnect tube that ‘feels right’ when you are connecting or disconnecting the tube/hose from the bladder.
    ⁃ Since I wash and rinse it of its contents after every use, I am able to use different fluids and not taste them after switching them between runs on different days. The taste doesn’t linger like it does on many plastic items. (But you have to wash and rinse it first.)

    9 people found this helpful

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  • 5 out of 5 stars

    Great hydration

    Reviewed in the United States on February 18, 2026
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    Full content visible, double tap to read brief content.
    I’ve used a Nathan pack for years with my MTB. I needed the replacement bag and it works great. Fit right in, clean, ready to use! The Water flow is consistent , it is durable and comfortable.

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  • 5 out of 5 stars

    Much Easier to Open Than Twist-Off Styles

    Reviewed in the United States on July 31, 2024
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    Full content visible, double tap to read brief content.
    I purchased this bladder in 2022 and its going strong. Easy to fill, clean, and dry. The hose is easy to disconnect and re-attach. I'm purchasing two more to replace my CamelBak bladders which have become difficult to open and close as their plastic material aged. I'm very disappointed in the CamelBak bladder design which I had previously invested in the past. CamelBak carriers are nice, but the bladders are too difficult to open, and if not closed just right, they will leak. Other similar styles may be as good as these Nathan's, but the Nathen's work well for me so why change.
    One person found this helpful

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  • 5 out of 5 stars

    Great bladder

    Reviewed in the United States on May 16, 2026
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    I needed to replace an older version of my Nathan bladder. This was an exact match, fits in everything I used in my pack. No leaks! The storage capacity is a full 2 liters and fits in everything I used it on. It's a little bit of a pain to clean the connections, but is still good.

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  • 5 out of 5 stars

    Great bladder

    Reviewed in the United States on May 17, 2026
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    Full content visible, double tap to read brief content.
    This bladder has been great. I’ve been using it for a while now. I’ll throw it in my Solomon vest for trail running or my 17oz backpack for hikes. Fits perfect in both. Has the usual bladder taste, but nothing a mixture of water, baking soda, and lemon juice won’t fix.

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  • 4 out of 5 stars

    Almost perfect

    Reviewed in the United States on March 6, 2025
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    Full content visible, double tap to read brief content.
    Easy to clean. Easy to use. Fits any back pack really. It’s better to just buy this instead of a whole water bladder set.

    Though there were some leaking during running, so put it in a bag to catch the water
    One person found this helpful

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  • 5 out of 5 stars

    Perfect

    Reviewed in the United States on May 27, 2026
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    Perfect replacement reservoir for my hydration vest.

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  • 5 out of 5 stars

    Nice replacement bladder

    Reviewed in the United States on June 25, 2026
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    Good replacement! Fits perfect in my Nathan pack and holds a good amount of water.

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Top reviews from other countries

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  • 5 out of 5 stars
    Perfect
    Reviewed in the United Kingdom on November 6, 2020
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    Perfect for me, great easy to clean.

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  • 5 out of 5 stars
    Fast shipping
    Reviewed in Canada on May 25, 2019
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    Exactly what it was said it was. Thanks

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  • 1 out of 5 stars
    Nach 3 Läufen undicht, klasse!!!
    Reviewed in Germany on April 30, 2023
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    Nach 3 Nutzungen fängt es an zu tröpfeln, richtig mies!!

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  • 1 out of 5 stars
    2x defekt nach wenigen Läufen
    Reviewed in Germany on January 28, 2020
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    An sich eine schöne Trinkblase. Leider war sie nach wenigen Läufen kaputt. Es kleines, kaum auffindbares, Loch an der Seite, wo kontinuierlich Wasser austropfte, sodass der ganze Rucksack durchnässt war. Beim Ersatzprodukt das gleiche Problem.

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  • 1 out of 5 stars
    Turned yellow after first uaage, replacement does the same
    Reviewed in Germany on October 14, 2018
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    Ordered it, used it once with water and it turned into this yellow looking color. Contacted Nathan support they assured me this is wrong. So I sent it back to be replaced as I thought it's a product ion problem got this instead which as you can see has the same issues.

    Turned yellow after first uaage, replacement does the same

    1 out of 5 stars
    Turned yellow after first uaage, replacement does the same
    Reviewed in Germany on October 14, 2018

    Ordered it, used it once with water and it turned into this yellow looking color. Contacted Nathan support they assured me this is wrong. So I sent it back to be replaced as I thought it's a product ion problem got this instead which as you can see has the same issues.

    Sending feedback…

    Thanks, we'll investigate in the next few days.




Product Summary: Nathan Hydration Bladder BPA Free, Water Bladder for Hiking Backpack, Hydration Backpack, Hydration Pack, Running, Walking, Obstacle Course Race, Cycling

From Nathan
COMPATIBLE – With all running vests with water bladders and running hydration packs that fit a 2L Bladder
MADE FOR – Running, trekking, hiking, biking, and more; replacement 2 liter bladder compatible with Nathan running vests.
TOP QUALITY – BPA Free / Quick release hose / High flow bite valve / Use this hydration bladder with water running vests
This 2L hydration bladder keeps you hydrated on all your adventures!
Nathan compatible – Fits many running water vests and packs, including Nathan Firestorm, Moxy, Grit, Intensity, HPL #020, VaporAiress, VaporAiress 7L 2.0, VaporAir, VaporAir 7L 2.0, and Journey 25L.

13 reviews for Nathan Hydration Bladder BPA Free, Water Bladder for Hiking Backpack, Hydration Backpack, Hydration Pack, Running, Walking, Obstacle Course Race, Cycling

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    Nathan Hydration Bladder BPA Free, Water Bladder for Hiking Backpack, Hydration Backpack, Hydration Pack, Running, Walking, Obstacle Course Race, Cycling
    Nathan Hydration Bladder BPA Free, Water Bladder for Hiking Backpack, Hydration Backpack, Hydration Pack, Running, Walking, Obstacle Course Race, Cycling

    $36.28

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