




SKI, HIKE, BIKE & CLIMB COMPATIBLE: The Stow fits flush in ski pants and coat pockets, bike jerseys or fanny packs – flatten and roll when empty.
DURABLE & LIGHTWEIGHT: Made of abrasive-resistant TPU, the Stow can be frozen and is dishwasher safe, at under 2 oz it’s 80% lighter than most hard bottles.
POCKET SIZED: Flexible bail handle for comfortable carrying, quick attachment, and filling from a faucet, lake or river.
WATER FILTER COMPATIBLE: Attaches to most 28mm threaded water filters such as the Hydrapak 28mm filter kit.
FLIP TOP CAP: Made for drinking during activity, an easy open cap cover keeps the self-sealing silicone nozzle clean.
12 reviews for HydraPak Stow – Collapsible Backpacking Water Bottle (350ml, 500ml, 1L) – BPA Free, Ultra Light, Spill-Proof Twist Cap
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$19.00

Keyboard Monster –
Great, flexible water bottle.
I was going on a trip and was unsure how available water would be during my adventuring, so wanted to be able to bring a liter of water if necessary, but didn’t want to always dedicate bag space to a liter bottle. This is perfect because if you put in less water, it takes up less space. And since it’s flexible, it fits in a bag much easier and also decreases in size as you drink. I also found it was great for the plane because I just kept it in my lap for easy access and it didn’t roll away. Honestly, awesome. I kind of want to get the smaller one, but probably don’t need it since I can fill the 1L up halfway. (Also, the 17 oz bottle is the same price as the 1L on here.)Mine tasted vaguely chemically at first. I washed it with dish soap and then froze it with lemon water, and it didn’t make much of a difference. There wasn’t time to try again before leaving, but over the course of my trip, the weird flavor disappeared. If the flavor had been really strong, I don’t know what I would have done.Note: I saw a comment about how gross the mouthpiece gets and was worried, but it wasn’t an issue for me. I used it for water only, and didn’t really wash it during the trip (gross, I know) because the country I was in didn’t have potable tap water. That said, after 13 days, the mouthpiece still looks clean.
Amazon Customer –
Great foldable reusable water bottle!
Great little packable bottle! I’ve been using this for three months now regularly. Zero leaks and I have not been gentle. Hiking, cycling, traveling, and everyday walking. The carrying handle loop is sturdy and feels secure. I added a small carabiner which has been extremely helpful for clipping onto bags.The bottle did smell plasticky when it first arrived. The initial washing got rid of most of the smell and after about two more uses/washes, the smell was completely gone. This bottle is super lightweight and folds up to nearly nothing, easily tucking into its own carrying loop.Refilling is easy. The bottle is not slippery at all, even when it’s wet. It doesn’t stand up on its own, but is small enough to hold with one hand and also hold the loosed cap with your other hand.When drinking out of the bottle, you have to either suck the mouthpiece like a straw or squeeze quite hard. If you opt to squeeze, be prepared for a turbo jet stream of hydration. That is the price you pay for security so the mouthpiece doesn’t leak when the cap is flipped open. Fair trade.This bottle definitely gets condensation on the outside if you fill it with cold water on a hot day, but that’s no fault of the bottle.
Anoymous –
Good but Difficult to thoroughly dry.
It’s great how collapsible this is as I took it overseas and was able to stay hydrated as I walked around. It’s a great size for fitting in the dishwasher. It’s only problem for me is it takes forever to thoroughly dry out even with putting it on a draining board for multiple days and letting it air dry because the opening is too small to stick your hand and a drying towel in to dry it (even too small for the drying towel). O
Dylen –
Awesome for all sorts of sports!
Such a cool water flasks that makes life easier. Great value for the money. Extremely durable. I take them skiing and store them in the jacket. I’ve had no problems with leaks.
Brider –
Perfect Travel Water Bottles for Kids — Lightweight, Compact, and Kid-Approved!
We originally bought these HydraPak Stow collapsible water bottles for our Disney trip — we knew we’d be walking all day and didn’t want to lug around a heavy backpack full of water bottles. These were perfect!They’re super lightweight, easy to clean, and collapse down small when empty, which saved so much space in our bag. The twist cap is truly spill-proof, and the kids actually loved holding their own bottles, which made hydration way easier throughout the day.Whether you’re heading to a theme park, hiking, or just want a BPA-free, ultra-light water bottle for travel or school, these are a great option. Highly recommend for families or anyone trying to keep their load light and stay hydrated on the go!
pdaisy –
PERFECT for Hiking/Travel!!
Purchased a gold carabeaner and keep it attached to my caramel colored leather purse for all international travel. Works GREAT. Highly recommend. The smallest, lightest, low profile option to stay hydrated all day. Has a bit of a smell the first few weeks, so if have time get in advance and keep lid off so can air out a bit. But, even with the smell, worth it for convenience.
S. Thompson –
Not worth the price
Bottle held water and did not leak, but…. 1) it was difficult to fill at airport refilled stations as it does not trigger the sensor. I had to get someone to hold a rigid plastic bottle below mine in order to trigger water flow and 2) despite the fact that I washed it well before use, the water I drank from it all had the faint taste of a cheese enchilada; I couldn’t wash away the odd taste. I ended up throwing this bottle in the trash. Waste of money for sure.
SarahT –
I LOVE this water bottle. It smooshes into any handbag or pocket and rolls up super small when empty. Doesn’t leak. Thus far have used it walking the dog, going to work, and out sailing. My new go-to!
YURHENI TORRES –
Una excelente forma de transportar agua, no pesa ni ocupa espacio cuando no está en uso, resistente y no le da al agua mal sabor o aroma .
Aimeé García –
Sirvió para viaje pero huele un poco a plástico.
Luis Palenzuela –
Tras muchos enjuagues sigue sabiendo a plástico lo que la hace inservible
やっけ –
凍らせてリュックの背面に入れることで保冷剤としても活躍しました。とっても便利です。