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Kiprun Trail Running Soft Flask 250ml/8.5oz
Need hydration on the go? This compact, flexible 8.5-ounce water bottle fits comfortably in your hand or discreetly in your belt or running vest.
Free shipping over $49
Free returns
Free pickup
San Francisco, 735 Market St. Options
Select an available color and size to see options.
Product Videos
Product Features

Capacity
8.5-ounce flexible water bottle.
Easy to open/close
Intuitive on/off top for easy opening and closing.
Taste and odor limitation
Innovative process uses odorless and neutral-tasting plastic.
Flexibility
Flexible water bottle designed to fit easily in belt pockets or running vests.
Ergonomic grip
Finger loop for easy carrying
Puncture resistant
Lab-tested for high puncture resistance. Innovative manufacturing process.
Easy hydration
Ergonomic bite valve with adapted flow
Questions & Answers
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Product Customer Reviews
Very useful during longer runs, ideal capacity and ergonomic mouthpiece
ok good
great bottle, very practical, the water tastes like water and not plastic
comfortable for short trail running outings
Small, practical water bottle for short trips only
very practical
The product description is false: even after washing it many times, the water it contains quickly starts to taste like plastic, making it completely unusable. The cap can only be opened/closed by hand, which is not hygienic. I once filled it with an isotonic drink, which discolored the bottle, and it was impossible to wash it out. It was a huge disappointment, a waste of money!
The taste is horrible after only 3 months of use I realize that I am not enjoying the product at all because the plastic taste is too strong it is a shame.
I find the water bottle very useful for short-distance jogging.
Advantage: can be closed.
I am delighted with these flasks, which I use both for running (500ml) and in everyday life. Very practical, no leaks, no aftertaste. Flexible but very solid and functional product. Very good quality. I even use it for children (250ml flask), rather than the classic water bottle. A significant weight saving in a school bag. I even take the 150ml flasks in my pockets for short walks, where the children are always a little thirsty, which allows me to avoid the backpack and limit the weight to carry. I can't live without it anymore. Thank you.
A bit expensive for what it is, I think, but very well designed. The water quickly takes on a plastic taste, however (seen on a long outing).
I would have loved for this to be a 300-350 ml capacity.
I think the bottle is great! The plastic doesn't smell at all, and the water tastes neutral after just one rinse! Great! I wasn't immediately aware that it has a "water-wing cap"—you have to bite down to drink. But once you know that, it's a great little bottle :)
Product of great utility
Additional Product Information
Composition
Main part: 100.0% Silicone
A flexible water bottle for comfort when running
Compared to rigid bottles, this bottle is lighter, quieter during runs, and moves with you. It eliminates pressure points against your body while running.
How long can you run with 8.5 oz of water?
Generally, you need about 16.9 ounces of water per hour of running for hydration (and 1.4 ounces of glucose). This 8.5-ounce bottle allows you to carry part of that, like 8.5 ounces of water and 8.5 ounces of an isotonic sports drink.
What does neutral flavor mean?
This bottle is crafted using an innovative process with an odorless and neutral-tasting plastic. Before first use, rinse the bottle three times with clean water. Then, dry it upside down with the bite valve removed. Especially after using sugary drinks, thoroughly clean the bite valve. To minimize noise during your run, remove any air by sucking out the air bubbles.
New more ergonomic water bottle top
Based on your feedback, we've enhanced the bottle's opening system. The wider cap makes cleaning easier. We've also improved the visibility and ease of opening and closing. Simply rotate the ridge to switch between open and closed positions.
Product testing
At Decathlon, our products are tested by a panel of users under the real-life conditions they were designed for. These tests are coordinated and supervised by a team of engineers dedicated to this mission. The product managers, engineers, and all the teams use all these tests to develop and design technical products that will satisfy our customers.
Storage instructions
Rinse the water bottle thoroughly 3 times when using for the first time. Do not leave water in the bottle for more than 24 hrs. Rinse it with clean water after use and allow to dry before storing.
Origin
Imported

Kiprun Trail Running Soft Flask 250ml/8.5oz
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Heavy products return policy
If you return a product you will receive a refund for the purchase price plus any applicable sales taxes, less any non-refundable charges.
Decathlon will cover all shipping costs associated with your return except for items excluded from our return policy such as bikes, basketball hoops, snowboards, surfboards, tents, and other larger / heavier items.
Return costs for heavy products:
Weight Thresholds | Shipping within California | Shipping outside of California |
---|---|---|
> 9 lbs | $20.00 | $25.00 |
> 30 lbs | $50.00 | $65.00 |
> 100 lbs | $100.00 | $125.00 |
> 200 lbs | $200.00 | $230.00 |
If you return a product at any of our store locations, we will gladly help you find the best alternative product or refund you on the spot.
