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Stash Collapsible 1L Water Bottle

4.465116279069767 out of 5 stars
43 Reviews

Out of Stock

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Stash Collapsible Water Bottle

When you're bikepacking through the wilderness, every ounce of weight and inch of space counts. Some gear doesn't have room for compromising when it comes to space — spare tubes, socks, and tools can't be skipped, and while water is the lifeblood of your ride, you can downsize your hydration with the Hydrapak Stash Collapisble Water Bottle. Unlike traditional water bottles that continue to take up space in your bags when empty, the Stash spins down and collapses into 1/4 the size it is full, maximizing your space until the next watering hole.

The Stash weighs in at only 3.3-oz, a fraction of the weight of most standard water bottles, and can be used to host both hot or cold drinks, so you can leave your titanium mug at home, and use this multi-purpose bottle for your morning java before you start riding. It's made from a durable TPU that holds up to use and abuse on the trail and despite its light weight, its welded seams can take abuse from the elements. Even when empty, it easily holds its shape open, making it completely compatible with backcountry water filters to keep your hydration clean.


  • Get the most out of your space with this collapsible bottle
  • Durable construction is BPA- and PVC-free with welded seams
  • Screw cap for easy hydration
  • Backcountry water filter compatible
  • Flexible carry handle
  • Clips closed for easy storage at 1/4 filled size
  • Can be frozen or filled with hot drinks
  • Item #HPK001F
thermoplastic polyurethane
[open] 8.2 x 3.5in
Claimed Weight
[32fl oz] 3.3oz
Manufacturer Warranty

Overall Rating

4.5 based on 43 ratings

Review Summary

1 Stars - 1 reviews
2 Stars - 2 reviews
3 Stars - 1 reviews
4 Stars - 11 reviews
5 Stars - 28 reviews

Fits True To Size

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Runs smallTrue to sizeRuns large

What do you think about this product?


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5 out of 5 stars

April 30, 2024

Travel Bottle

I bought two of these to take on vacations and they work great!


Originally reviewed on HyrdraPak LLC

5 out of 5 stars

April 16, 2024

Nearly perfect

I bought this to use while traveling instead of hauling around a hydroflask all day and wish I had made the switch sooner. There is a slight plasticy taste that doesn't go away with washing, but it's very faint and not really that noticeable to be problematic. My only complaint about it is that it's nearly impossible to lock once compressed down, so it takes up more space than intended. I've watched several YouTube videos reviewing it to make sure I'm not somehow missing something simple and doing it incorrectly, but nope. Not sure if I received a faulty one. It's annoying but not a deal breaker.


Originally reviewed on HyrdraPak LLC

2 out of 5 stars

April 14, 2024


Spells easily if fill it to the top. Especially if you grab it from the middle. The plastic smell is minimal. We washed them and used some lemon juce and water tasted fine. When compressed its still kinda big a little difficult to lock and unlock. My wife likes it more than me she is using it. I will seek an alternative.


Originally reviewed on HyrdraPak LLC

5 out of 5 stars

December 5, 2023

Fantastic bottle!!

This is my second of this kind. I opted for the larger one this time. I love all of your products. Keep mine in the fridge for a quick cold grab for all long dog walks


Originally reviewed on HyrdraPak LLC

4 out of 5 stars

August 10, 2023

Great product

Good compact design. One star less because it tips over somewhat easily

Hiker Biker

Originally reviewed on HyrdraPak LLC

4 out of 5 stars

April 22, 2023

very good

Very handy and easy to store. Not as robust as the Flux but packs down really well.

in Vancouver

Originally reviewed on HyrdraPak LLC

5 out of 5 stars

January 8, 2023

Easy to use

Love it, can’t wait to use it! Planning on taking it on a trip.


Originally reviewed on HyrdraPak LLC

5 out of 5 stars

December 8, 2022

Great Product

I've used this bottle on a daily basis for a year and a half during my harsh military service, It survived everything and I've taken it everywhere. Highly Recommended


Originally reviewed on HyrdraPak LLC

5 out of 5 stars

November 21, 2022

Perfect travel water bottle!

This is exactly what I have been looking for! It can be frozen and ice cubes fit in it without a problem. Perfect for travel since you can compact it when it's empty.

Debbie J

Originally reviewed on HyrdraPak LLC

5 out of 5 stars

November 2, 2022

Happy with this brand!

We had used the smaller collapsible bottles before, and happy with this size too!


Originally reviewed on HyrdraPak LLC