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HydraPak Stow Collapsible Water Bottle (350ml, 500ml, 1L)

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Original price was: $17.60.Current price is: $13.20.


Price: $17.60 - $13.20
(as of Oct 06, 2026 11:14:18 UTC – Details)


To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.Learn more how customers reviews work on Amazon









Customers say

Customers find the water bottle well-suited for various activities including skiing, hiking, and snowboarding, appreciating its compact size that fits in pockets and backpacks. The bottle works well for outdoor activities like snowboarding and backpacking, and customers like its quality and portability. While some customers report the bottle holds up well with no leaks, others mention issues with leakage, and durability receives mixed reviews with some units breaking after one use. Additionally, several customers report the water has a weird taste, particularly noting it tastes like plastic.

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250 customers mention quality, 204 positive, 46 negative

Customers love this water bottle, describing it as a great pocket flask.

…I used it everyday and was able to stay hydrated. I highly recommend this if you travel and don't want to use precious packing space.Read more

…Otherwise, this was a great product I purchased for my son to use while snowboarding at snowboard school at one of our local mountains….Read more

…WHEN YOU NEED WATER IN A QUIET WAY THESE ARE GREAT. NO SLOSHING AND COLLAPSES AS YOU EMPTY.Read more

…This was perfect, and fits in my jacket pockets. I have fallen numerous times with this bottle and have never had issues with leaks or blow-outs.Read more

161 customers mention size, 138 positive, 23 negative

Customers appreciate the water bottle's compact size, noting it fits well in jackets, backpacks, and fanny packs, and gets smaller as it empties.

…I purchased it for a trip to Rome as it was the perfect size. However it made the water taste nasty. I washed it several times and nothing helped….Read more

The material on this water bag feels great, it folds up nice and small, 1 liter is a great size, and it's just simple….Read more

500ml is a good size to keep on me for hydration when traveling and hiking. It’s compact when full and reduces in size as you drink….Read more

Bought this to stay hydrated while on the mountain. Perfect pocket size: Didn't need a whole liter or two and the hassle of a full hydration…Read more

155 customers mention portability, 145 positive, 10 negative

Customers find the water bottle highly portable, as it can be packed in hip packs, stored in pockets, and carried around easily.

…It's pliable, light and easy to carry with the plastic ring. It also folds up to store in a small pocket/space….Read more

Great for travel.Read more

While it fits nicely in my bag and is portable, it gave the water a horrible taste, even after several washings. UGH!Read more

…Water Bottle has exceeded my expectations in terms of convenience, portability, and functionality….Read more

107 customers mention functionality, 82 positive, 25 negative

Customers find that the water bottle works well, particularly during outdoor activities like snowboarding and backpacking, and one customer mentions it functions perfectly with a Sawyer Squeeze.

Works great! Perfect for on the go. I am a bit scent sensitive so I followed the company’s instruction to freeze lemon water for 24 hrs and defrost….Read more

…it worked great for that. More recently, I also found it is great for fanny packs. Many bottles don't fit in fanny packs or only in certain ones….Read more

Works well and collapses small.Read more

…Pretty much making them unusable. Wish I wasn't past the return window, because they would go back.Read more

87 customers mention suitability, 82 positive, 5 negative

Customers find the water bottle suitable for various outdoor activities, particularly skiing, hiking, and snowboarding.

Great for skiing to drink while on the lift. This is flexible so I went for it and go a wet bottom. Cap is not leak proof.Read more

…Excellent one-direction spout that prevents spills. It’s also perfect for hiking!! I’m in love, I’ll be getting this for my family!Read more

Perfect for skiing.Read more

…It is also great for hiking if you are an enthusiast. This is definitely a no Brainerd for everyone on the go.Read more

180 customers mention leakage, 113 positive, 67 negative

Customers have mixed experiences with the water bottle's leakage: while some report it holds up well without any issues, others mention that it makes it leak.

Works fine, no leaks but the cap is difficult to put back on. Almost feels like you’re stripping the cap trying to screw it back on….Read more

Not a secure cap – leaksRead more

This water bottle doesn’t leak, will fit into pockets on your pack that steel water bottles won’t, and I have found is resistant to freezing as well….Read more

…I’ve packed it in my carry on for a flight. A good amount of water, no leaking. Also have taken it hiking and to a street fair in my hip pack….Read more

123 customers mention durability, 75 positive, 48 negative

Customers have mixed experiences with the water bottle's durability, with some finding it durable enough to last seasons, while others report it breaking after one use, particularly noting issues with the plastic cap cover.

Got this specifically to toss in my snowboard jacket. It’s durable and perfectly functional. Definitely my favorite accessory I’ve bought this year….Read more

Great function but not durableRead more

Love these Hydrapak Flasks. They're sturdy and leak free and a great value for the money. They're easy to clean after use and store nicely….Read more

…Very durable and come in several sizes. I like that it has the loop to easily hold and that it has a cap over the top….Read more

121 customers mention taste, 27 positive, 94 negative

Customers report that the water bottle has a weird taste, with multiple reviews specifically mentioning that it tastes like plastic.

…is the material that it’s made out of gives the water, a horrible, horrible taste. I have washed it over and over, hot water, baking soda….Read more

I’ve had this for almost a year. Water tastes like plastic every time I use it despite washing it with soap multiple times….Read more

…Knocked off a star because of the plastic taste and the cap. The plastic taste gets worse as the start sits, so if it’s drank promptly it’d be ok….Read more

…No leaks, no funny smell and no funny taste from this water bottle. It's a soft flask so you can collapse it as it empties….Read more




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Product Summary: HydraPak Stow Collapsible Water Bottle (350ml, 500ml, 1L) | BPA Free, Ultra Light, Spill-Proof Twist Cap, High Flow, Abrasion-Resistant, for Hiking, Camping, Backpacking, Skiing, Biking

From HydraPak
COLLAPSIBLE & SPACE-SAVING DESIGN: Flattens and rolls when empty to fit in ski jackets, bike jerseys, or small packs; also serves as an emergency backup water container during outdoor adventures or travel.
LEAKPROOF CAP & SELF-SEALING NOZZLE: Ergonomic silicone nozzle designed for spill-free drinking; protective flip top cap keeps the drink valve clean from debris.
ULTRALIGHT & RUGGED: Weighs under 2 oz, 80% lighter than hard bottles. Abrasion-resistant, freezable, and dishwasher safe. Reliable everyday and backcountry use.
FILTER COMPATIBLE: Attaches to HydraPak 28mm filter kit, making it ideal for backpacking, camping, or off-grid travel where clean water is essential.
EASY TO CARRY: Flexible bail handle for comfortable carrying, quick attachment and filling. Compact enough to stash away in pockets, pouches or small packs.
Customers find the water bottle well-suited for various activities including skiing, hiking, and snowboarding, appreciating its compact size that fits in pockets and backpacks. The bottle works well for outdoor activities like snowboarding and backpacking, and customers like its quality and portability. While some customers report the bottle holds up well with no leaks, others mention issues with leakage, and durability receives mixed reviews with some units breaking after one use. Additionally, several customers report the water has a weird taste, particularly noting it tastes like plastic.

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