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HydraPak SoftFlask – Collapsible Nutrition Flask (150ml or 250ml) – BPA Free, Easy Open Cap, Foldable, Lightweight

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HydraPak SoftFlask – Collapsible Nutrition Flask (150ml or 250ml) – BPA Free, Easy Open Cap, Foldable, Lightweight

Name: HydraPak SoftFlask - Collapsible Nutrition Flask (150ml or 250ml) - BPA Free, Easy Open Cap, Foldable, Lightweight - urbantumblers
Price: 22.00 USD
Availability: InStock

$22.00

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Reviews (0)

Description

Price: $22.00
(as of Jan 28, 2026 16:51:36 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 hydration flask to be a good size, holding 5 oz, and appreciate its functionality, sturdiness for activities like hiking and snowboarding, and ease of use, with one noting the wide mouth makes refilling gels and electrolytes easy. The bottle receives positive feedback for its quality, and while some customers report it doesn't leak at all, others mention issues with the cap leaking under pressure in backpacks. Customers disagree on the water capacity, with some finding it sufficient while others say it's not good for water.

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30 customers mention size, 24 positive, 6 negative

Customers like the bottle's size, noting it fits well in purses and holds 5 oz, with one customer mentioning it's perfect for a couple gulps while skiing.

…Otherwise it’s a great size and works well.Read more

…It was easy to clean, compact, and extremely functional. It’ll be a staple in my training plans moving forwardRead more

Perfect size…Read more

its a bit larger than i expected for running gel. tried using it as a water bottle, the water squirts out comes out reallyRead more

21 customers mention functionality, 16 positive, 5 negative

Customers find that the hydration flask works well, with one mentioning its effectiveness for homemade hydrogels and another noting its performance in mountain conditions.

Works well until it leaks from the valve. If pressure is put on the pack and the valve at the same time, liquid will spray out of this thing….Read more

…The replacement cap they sent me fixed the issue and it works great.Read more

…It holds enough water for a medium run. It's functional and easy to refill. I would say the one issue I have is the ease of cleaning….Read more

The product leaked. We assume a malfunction in the lid. I returned it.Read more

20 customers mention sturdiness, 19 positive, 1 negative

Customers find the hydration flask sturdy and suitable for various activities, particularly hiking and snowboarding, with one customer noting it's perfect for long runs and races.

…Helpful Conclusion: Perfect for runners, cyclists, and hikers who want a reusable, ultralight way to carry nutrition or hydration….Read more

Great for travelingRead more

Perfect for skiing. Fits in pocket; enough water to keep your mouth from feeling dry without a bulky bottle freezing before you empty it.Read more

Great for sneaking tequila into concerts and festivals. My friend group fondly calls it titty tequila.Read more

19 customers mention ease of use, 17 positive, 2 negative

Customers find the hydration flask easy to use, particularly noting that it's simple to squeeze and refill, with one customer mentioning that the wide mouth makes adding gels and electrolytes convenient.

…make your own gels or nutrition is the perfect pouch to bring it, easy to use, the nozzle has a great quality and can be opened one handed making it…Read more

…-Easy to squeeze; colder weather or not, I have no issues getting my energy. -My hands and running vest remain not-sticky CONS:…Read more

Great bottle & performance. Easy to drink from. Wish it had a cover/cap to prevent leaking when not in use.Read more

…The bite valve is easy to use, if not too easily squeezed….Read more

14 customers mention bottle quality, 14 positive, 0 negative

Customers find the bottle to be of good quality, with one customer specifically noting the well-made welded seams.

Pretty good bottleRead more

Amazing product if you want to conserve money on premade gels!Read more

Great bottle & performance. Easy to drink from. Wish it had a cover/cap to prevent leaking when not in use.Read more

…Other than the cap leak, the bottle is very durable and of good quality.Read more

27 customers mention leakage, 14 positive, 13 negative

Customers have mixed experiences with the bottle's sealing: while some report it doesn't leak at all, others mention that the cap leaks under pressure when placed in a backpack.

…It’s durable, leakproof, and folds down to almost nothing when empty — ideal for minimalist setups….Read more

Barely touch the mouthpiece and it leaks…Read more

…Mouth is big enough to make filling easy and lid is completely leak-proof….Read more

I'm not sure if my item was defective, but the bottle has been leaking since day 1. I have checked several times if I was closing it wrong….Read more

17 customers mention ease of opening, 9 positive, 8 negative

Customers have mixed experiences with the bottle's opening mechanism, with some finding it easy to use, while others report difficulties, with one customer noting it requires two hands to operate.

…Lid is very secure. Keeps it closed, but can be a little difficult to open while running. But I prefer that over a pocket/vest full of syrup!Read more

…Requires two hands to open and be stationary.Read more

…I put this into my ski jacket's inside pocket. Easy open cap and nozzle made for quick sips on the chair to refresh between runs.Read more

…The top also pops open on a hinge, in a way that can be a bit of a nuisance to get open while exercising without squeezing out some of the contents…Read more

16 customers mention water capacity, 11 positive, 5 negative

Customers have mixed opinions about the bottle's water capacity, with some finding it holds enough for their needs while others say it's not good for water.

It’s so small you can throw it in your pocket but enough water that you can feel the security you get when you have your water bottle with you…Read more

Can hold 3 UCan gels for the long run. Great for cutting down on number of individual gels I have to stuff in pockets. Easy to clean. Quality is good.Read more

…I’ve only used it on 3-5 mile runs, so it might not hold enough water for runs longer than that….Read more

Its a great fit for my running waist pack on my trail runs, perfect for 10k (6mile) runs for a refresher along the second half on hot summer days….Read more

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Top reviews from the United States

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gabriel carvani
Light, Leakproof, and Built for the Trail — The Perfect Mini Flask for Endurance Adventures
Reviewed in the United States on October 19, 2025
Style: 250mlVerified Purchase
First Impression:
I picked up the HydraPak SoftFlask for trail running and mountain hikes where carrying gels or liquid fuel can get messy. Out of the package, it feels impressively light and flexible — like a soft balloon made from durable material. The build quality is excellent: welded seams, no chemical smell, and the cap design looks well-engineered for quick access. It’s small enough to fit in a vest pocket or even the waistband of running shorts without bouncing.
Real Experience:
On the trail, this little flask shines. The soft body collapses as you drink, so there’s no sloshing sound or wasted space — a small detail that makes a big difference on long runs. The bite valve delivers just the right flow, and the wide mouth makes refilling gels or electrolytes easy. Cleaning is straightforward, and the material doesn’t retain odors even after several uses. I’ve dropped it a few times on rocks, and it shows no signs of wear. The only con: if you overfill it, it can be a bit tricky to close tightly until you get used to it.
Helpful Conclusion:
Perfect for runners, cyclists, and hikers who want a reusable, ultralight way to carry nutrition or hydration. It’s durable, leakproof, and folds down to almost nothing when empty — ideal for minimalist setups. I’d definitely buy another one in a larger size for longer runs.
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3 people found this helpful

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Casey Regan
Cool bottle for dancing at concerts
Reviewed in the United States on March 15, 2025
Style: 250mlVerified Purchase
I get thirsty when I’m dancing. I fill this with water, and I’m able to shove it in my Lululemon belt bag. So far, it’s been really sturdy, and I’ve had no leaks. I look absolutely silly with this on the dance floor, but I don’t care because I’m not trying to dance with a can of water in my hand all night. I like how it shrinks as I drink it. Also, like that it’s super compact when it’s empty, which is how I bring it into venues. I would like it to keep my water colder for longer, but you can’t have everything. 5 stars for quenching my thirst on the dance floor.
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Casey Regan

Cool bottle for dancing at concerts

Reviewed in the United States on March 15, 2025

I get thirsty when I’m dancing. I fill this with water, and I’m able to shove it in my Lululemon belt bag. So far, it’s been really sturdy, and I’ve had no leaks. I look absolutely silly with this on the dance floor, but I don’t care because I’m not trying to dance with a can of water in my hand all night. I like how it shrinks as I drink it. Also, like that it’s super compact when it’s empty, which is how I bring it into venues. I would like it to keep my water colder for longer, but you can’t have everything. 5 stars for quenching my thirst on the dance floor.

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11 people found this helpful

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KS
Good but hard to open.
Reviewed in the United States on April 19, 2022
Verified Purchase
I bought the 150 ml flask to replace the hassles energy gels. Gels are expensive, hard to rip open while running, get everything sticky, and if you're running longer than a couple hours, you have to stash sticky empties. So I've converted to maple syrup, and using the hydrapak soft flask.
PROS:
-Holds 5 oz. That's a lot of energy gel/maple syrup!
-Fairly wide mouth, easy to fill, but as it's a soft flask, without a flat bottom, some delicate handling required or will accidentally squeeze contents out before it is capped.
-Syrup flows easily through mouthpiece.
-It's a soft flask so as I consume the syrup, the flask reduces in size.
-Easy to squeeze; colder weather or not, I have no issues getting my energy.
-My hands and running vest remain not-sticky
CONS:
-The only real con for me is the mouthpiece.
-It's made of a hard plastic that you twist to open and drink through. It's tight. So sometimes when I go to open it, I accidentally unscrew it.
-It doesn't auto-seal after a mouthful, so the flask fills with air before I twist the cap closed. So every time I want to drink, I have to squeeze out a bunch of air. It's a distraction. I may swap out the cap for a bite valve see if it works better.
All in all I'm very happy with the flask. My only concern is gauging the amount of gel/syrup needed. I don't want to have too much left over after a run. But that's not the fault of the flask. Not sure if it can be stored in the fridge between runs. Better to use the leftover in a recovery drink.
08/10/22 update. So all in all I'm used to the tightness of the twist cap, and am really enjoying this gel flask. I had thought to swap out the cap for a bite valve one, but as it turns out, my bite valve caps on my other bottles have started to leak when I squeeze the bottles. So now I'm actually thinking of doing it the other way around, and put one of these twist caps on my larger volume bottle, for my drink. I do like this bottle, because the end is tapered, it's easier to quickly stuff back inside my vest or shorts pocket after a drink. Finding the perfect bottle is tough. This comes close for me.
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20 people found this helpful

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A. Lee
Wish I had bought earlier
Reviewed in the United States on August 31, 2025
Style: 150mlVerified Purchase
This has been a great alternative to opening up gels individually during a race. Now I put them all in there at once and roughly measure out portions as I go. Easier than tearing apart gels while running. I only need one for my half and room to spare. No issues with lid or leaking. Easy to clean.
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3 people found this helpful

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Clarice M Rome
Sturdy little pouch
Reviewed in the United States on December 5, 2025
Style: 150mlVerified Purchase
This little flask has got to be the best way to carry electrolyte infused water. It fits perfect in a running pouch. It allows small bits of hydration on your run.I highly recommend. Easy to grip and amazing quality.The price is great.I highly recommend.
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2 people found this helpful

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DM
Helpful on runs
Reviewed in the United States on January 15, 2026
Style: 150mlVerified Purchase
I had an issue to begin with, but their customer service was awesome. The replacement cap they sent me fixed the issue and it works great.
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Junkonejo
Quick and reliable nutrition flask
Reviewed in the United States on March 17, 2025
Style: 250mlVerified Purchase
Lightweight, well designed, helps to save space and time, cuz you don't need to bring a lot of gels just this single pouch filled with all the nutrition you need, plus will help you save money in the long time, if you make your own gels or nutrition is the perfect pouch to bring it, easy to use, the nozzle has a great quality and can be opened one handed making it super functional. Get a couple of them for long endurance races or triathlon races, that way you can refuel pretty fast.
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2 people found this helpful

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E. Wiebe
Design Fail for one-handed use
Reviewed in the United States on June 1, 2021
Verified Purchase
In hindsight, I should have realized that the design of this flask was going to end in failure for a cyclist. The top nipple is meant be able to unscrewed with your mouth/teeth yet the filling top unscrews the same direction. Guess what happens when you are riding along in a paceline, grab the flask, stick it in your mouth, unscrew a 1/2 turn with your mouth while watching the road, and squeeze?….maple syrup exploding everywhere. It only gets two stars since it will still work for runners/walkers (or bikers at a stop) who are willing to hold the fill top screw cap with one hand and squeeze with the other.
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9 people found this helpful

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Top reviews from other countries

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Jennifer English
Hard to get past the smell
Reviewed in Australia on September 28, 2022
Verified Purchase
As described. Small enough to fit in pocket. Gives me three mouthfuls of liquid. But the plastic chemical smell is disgusting. And effects the taste of the liquid.
I have washed it out numerous times and have left it without the lid on for over a week and even though the smell is not as strong it’s still there.
I’m hoping with time it will eventually disappear.
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Ang Weixuan
Lid comes off when opening nozzle
Reviewed in Singapore on September 20, 2020
Verified Purchase
A disaster of a product.
The twist nozzle opens in the same direction as the screw cap lid itself, with the same amount of strength – this leads to me unscrewing the entire lid off each time I do it single handedly on my bike, getting gel spilling all over my bike.
Not recommended unless you like gel all over your body. Or if you don't mind using a gel bottle that needs 2 hands to open.
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Juris Scerbickis
super
Reviewed in Germany on March 9, 2025
Verified Purchase
all good
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DANNY S.
tres bon
Reviewed in Canada on August 2, 2022
Verified Purchase
tres bonne qualité ,facile a utilisé, et anti-fuite approuve par les enfants .
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Stephanie sc
Excelente
Reviewed in Mexico on May 27, 2025
Style: 250mlVerified Purchase
Excelente, fácil de agarrar y llevar.
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