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Stow 500ml Water Bottle

4.228571428571429 out of 5 stars
35 Reviews

Out of Stock

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Why We Like The HydraPak Stow 500ml Water Bottle

We like the HydraPak Stow 500ml Water Bottle for its minimal design, allowing easy packing and easy carry for any adventure. Its durable construction allows the bottle to be flattened and rolled when empty to stow away in a bag, while the flexible bail handle allows for quick attachment. The easy-open flip cap cover protects the spill-proof nozzle to minimize messes.


  • A minimalistic water bottle for any adventure
  • Durable construction flattens and rolls for easy storage
  • Flip top cap and self-sealing silicone nozzle avoid spills
  • Attaches to most 28mm threaded water filters
  • Flexible bail handle makes for an easy carry and attachment
  • Able to be used with both frozen and hot water
  • Safe, reliable 100% BPA and PVC-free construction
  • Item #HPKE019
TPU, PP, silicone
500ml (17fl oz)
6.8 x 4in
Claimed Weight
backpacking, hiking
Manufacturer Warranty

Overall Rating

4 based on 35 ratings

Review Summary

1 Stars - 4 reviews
2 Stars - 2 reviews
3 Stars - 1 reviews
4 Stars - 3 reviews
5 Stars - 25 reviews

What do you think about this product?


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5 out of 5 stars

June 25, 2023

Best water bag for on the go!

I love it! I have had the grey Stow 500ml since last fall, used it all winter snowboarding and loved it! It never once leaked, is super convenient to fit in your ski jacket pocket, and collapses so small when empty! Bought the green as a gift, love the color! One note: it is not insulted at all, the water gets warm very quickly if you’re outside during the summer and gets very cold when snowboarding.


Originally reviewed on HyrdraPak LLC

2 out of 5 stars

May 17, 2023

Plastic taste and smell!

I bought a larger version of this product (same flexible material) in 2018. It continues leaching a strong plastic taste into the water. It doesn’t much matter how long the water is in the bottle, after a few minutes the water becomes almost undrinkably nasty. To those who say “it’s safe because no BPA,” I say if it tastes and smells like plastic then something obviously leached into the water. I have tried airing it out at length, soaking with vinegar, soaking with baking soda, soaking with warm water, washing diligently with soap, soaking with weak bleach dilution, soaking with denture tablets, soaking with lemon juice, only filling it with very cold water, but the same plastic smel and taste remains after all these years. I wish hydrapak would reformulate or come up with a tried&true way for the customer to de-smell the product.


Originally reviewed on HyrdraPak LLC

5 out of 5 stars

April 10, 2023

Great product

Got this with one of my purchase! Very good product, no leaking and very resistant


Originally reviewed on HyrdraPak LLC

1 out of 5 stars

March 12, 2023

Got 1 use out of it before it sprung a leak

Lasted once before popping a pin hole leak that got water all over my snowboard jacket and ruined my day soaking wet. Camelback doesn’t leak I like them more.

Thomas Elliott

Originally reviewed on HyrdraPak LLC

5 out of 5 stars

March 5, 2023

Great for travel and great for kids!

Great for traveling, great for little kids too. They can easily drink without backwash and without spills/leaks. Plus they think it's fun and usually drink more water because of that. We are obsessed!

Lynne C

Originally reviewed on HyrdraPak LLC

5 out of 5 stars

February 26, 2023


So nice to have a bit of water on you without carrying your pack…beefy materials as well!


Originally reviewed on HyrdraPak LLC

1 out of 5 stars

February 6, 2023

really bad plastic taste

ive been using it for almost 2 years now and it still has this horrible plastic taste


Originally reviewed on HyrdraPak LLC

5 out of 5 stars

February 3, 2023

Well designed shape.

Great shape fits easily into a jacket pocket. Holds a reasonable amount of water without feeling bulky. Also rolls up small when not in use. I primarily use it when I snowboard, but it usually gets brought on most other outdoor adventures too.

Steve W

Originally reviewed on HyrdraPak LLC

5 out of 5 stars

January 26, 2023

Excellent For Skiing

My husband and I love this product for staying hydrated while skiing! It's a perfect size and very convenient to carry.

Kim Z

Originally reviewed on HyrdraPak LLC

5 out of 5 stars

January 25, 2023

Incredibly Easy

So easy to use that I can one-hand it from my ski parka on the lift!

John E

Originally reviewed on HyrdraPak LLC