Running Soft Water Flasks of 2025
Best Choice1
Nathan21% OffNathan ExoShot Lite Handheld 14oz, Hydration Flask with Integrated Hand Strap, Great For Running, Cycling, Climbing, Hiking & more, 14 Oz
Main highlights- SIMPLE HYDRATION: Our ExoDraw & ExoShot Flasks feature an integrated hand strap and rigid ExoSpine for superior comfort and efficiency, whether on the tred, track, or trail, offering the cool fluid you need with it's simple-to-use race cap
- International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions
- CONVENIENT FEATURES: Handheld flask with push/pull Race Cap and small stash pocket to keep essentials protected; One size fits most
- AN EASY MULTIPURPOSE ESSENTIAL: Our water bottle comes with a soft flask that can be removed from the sleeve, and used in Nathan hydration vest pockets
9.9Exceptional
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Value for Money2
AzarxisAzarxis Soft Flask Collapsible TPU Running Water Bottles Handheld BPA-Free 250ml 350ml 500ml 600ml for Hydration Vest Pack Trail Hiking Cycling Climbing (500ml / 16.9oz with Speed Straw - 2 Pack)
Main highlights- Ultra-light: The 250ml runner's handheld flask weighs only 0.95oz, and the 500ml weighs just 1.16oz. You can store the collapsible flask in the fridge for cool beverages. Recommended usage temperature (0°C-40°C / 32°F-104°F)
- Space-saving: The soft flask is compact and durable. When filled, the bottle stands upright and shrinks to reduce movement while drinking. Once the water is consumed, it can be folded into a compact size and stored in your pocket
- Safety Commitment: Made from food-grade TPU material, 100% free of BPA and PVC, odorless. It features a leak-proof bite valve design. Simply gently bite the soft part of the mouthpiece and squeeze the soft running water bottle to easily drink water
- Instructions: The sports bottle comes with a tea bag. Rinse thoroughly before use. To remove any unwanted odors, shake with water and half a teaspoon of baking soda, or soak with the tea bag, or add a few drops of lemon to neutralize odors
- Compatible with hydration vest: Easily fits into most hydration vests, marathon packs, running belts, or backpack pockets. Provides bounce-free stability and flexible water bottle shoulders to prevent chafing
9.7Exceptional
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3
AONIJIEAONIJIE 2 Pack Soft Water Bottle, TPU Collapsible Flask Foldable Bottles for Hydration Pack, BPA-Free, for Running Hiking Cycling Climbing (2 Pcs - 500ml)
8.7 Simple to clean8.2 worth the money8.2 Watertight9.6Exceptional
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4
LX LERMXLERMX Quick Grip Chill 17 oz / 500ml TPU soft Flask Water Bottle Hydration Pack BPA-Free Running Flask for Hydration Pack, for Running Hiking Cycling Climbing-2PCS
Main highlights- 【Versatile and Reliable】Our handheld water bottle is expertly designed for both outdoor sports and everyday use. This sports gel flask is ideal for staying hydrated during activities such as marathons, jogging, running, hiking, cycling, climbing, backpacking, and even when you're on the go.
- 【Space-Saving】Our collapsible water bottle is designed to be foldable, allowing it to easily transform into a compact size (approximately 6 cm high). This innovative feature ensures it takes up minimal space, making it a convenient and portable option for your backpack or pocket.
- 【Premium Quality】Crafted from TPU material, our product is 100% BPA and PVC free. It is tasteless, eco-friendly, and boasts exceptional durability. Moreover, its lightweight design and excellent toughness make it a top choice.
- 【Innovative Design】Our soft flask speed straw is designed to be handheld, ultra-lightweight, soft, and compact. Its mini size makes it easy to carry, making it practical for both children taking water to school and adult runners and joggers. With its simple operation, it is the perfect companion for staying hydrated on the go.
- 【Easy And Drink】With wide neck design, it’s convenient to pour water into the soft flask water bottle. When you want to drink water, just nibble the groove of the valve and gently squeeze the water softener bag and the water will spray out automatically
9.5Excellent
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5
FITLYFITLY Soft Flask - 8.5 oz (250 ml) - Shrink As You Drink Pocket Soft Water Bottle for Hydration Pack/Running Vest- Folding Water Bottle for Running, Hiking, Cycling - Ski Water Bottles (FLASK250)
Main highlights- STAY LIGHT ON YOUR FEET: FITLY’s collapsible flask is purposely lightweight ensuring your light on your feet and not weighted down by unnecessary bulk. At FITLY, reusability is deeply important to us, and our water bladder is no exception. Enjoy limitless use from our portable soft water bottle for running vest that is 100% BPA & PVC-free.
- SHRINKS AS YOU DRINK: Our running vest water bottle is uniquely designed to shrink as you drink. This ensures the water doesn’t slosh around, bounce or rattle. The flexible design of our hydration flask shapes to your hand & body, meaning the soft flask is never unwieldy. Our flexible running flask features an intelligent bite valve & leak-resistant mouthpiece.
- HYDRATION ON THE MOVE: Our soft flask is specially crafted for vigorous activities such as running, hiking, cycling and climbing. The perfect sporting companion, take it everywhere with you! Our soft water bottle can be folded and tucked into your pocket or bag. Our soft flask water bottle comes in 5 size variations and are freezable so they can double as an ice pack.
- HYDRATION ON THE MOVE: Our collapsible running soft flask is a compact and eco-friendly way to stay hydrated on the move! The soft water bottle is the perfect hydration tool for active individuals. Our soft water bottles for runners shrink as you drink, taking up minimal space and won’t slosh around, making it perfect for running, hiking, skiing or any rigorous activity.
- DIRECTIONS FOR USE: We recommend rinsing the flask thoroughly before first use. If you experience taste mix ½ a teaspoon of BAKING SODA with water, shake and rinse. Users have also found the following to be useful: Fill with MILK, shake, and rinse. Add drops of lemon. Let an orange peel or tea bag set in the flask for a couple of hours. To hydrate, simply softly bite the mouthpiece and press the soft flask and enjoy! The harder you press, the faster the liquid will exit.
9.2Excellent
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6
INOXTOINOXTO Soft Flask,Collapsible Soft Water Bottles for Hydration Vests and Running Packs, Soft Flask Running Bottles for Hiking Cycling(250/500 ml) (2 PCS SMALL)
Main highlights- 【STRONG AFTER-SALE SUPPORT】: Our running vest water bottle wear-resistant and odorless , it can be used continuously for many years. If there is something wrong in our sports water bottle. Or don't like the silicone travel water bottles. Welcome to contact us. And we will replace foldable water bottle or refund. That means you don’t ever have to worry about the hassle of returns.
- 【SOFT AND SHATTER PROOF 】:The 250ml hydration flask is made of food grade silicone that like baby nipple. The portable water bottle body is so soft and touched comfortable. Above all, it’s shatter-proof and comes with a dust cover for health and safety.
- 【ENVIRONMENTALLY FRIENDLY】: This water bottle soft is easy to hold, making it a perfect pocket water bottle & easy to stay hydrated on the go. And lightweight Soft Flask are environmentally friendly. We committed to contributing to a healthy environment.
- 【EASY DRINKING】:Our hand water bottle for runners is a flexible bottle designed for strenuous activities, including running, cycling, hiking and exercising.Soft water bottles for runners Bite valve allows quick, pleasant water supply with no leaking and quick access to water during motion as well.
- 【COLLAPSIBLE WATER BOTTLES】: INOXTO flexible water bottle is soft and foldable, easy to use, easy to store, let your running more easily;It can be easily folded or tucked into your pocket. Our collapsible water bottles are designed to hold minimal air so the water doesn't slosh around.
9.0Excellent
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7
HydraPak15% OffHydraPak SoftFlask Speed 500ml - Compressible Soft Flask Water Bottle, Perfect Fit for Hydration Vests and Running Packs with Easy Open Cap (500ml/17oz)
Main highlights- PERFECT FOR AID STATIONS: SoftFlasks are equipped with our SpeedFill Cap designed for quick and easy refilling at aid stations. A side tab pops open the cap in one motion and snaps shut with a click.
- FITS HYDRATION VESTS AND PACKS: Soft material and an innovative pinch-welded base creates a low-profile tapered flask. Fits easily in most hydration vests, belts or pack pockets.
- FILTER COMPATIBLE: Compatible with 42mm threaded backcountry water filters including the HydraPak 42mm Filter Cap.
- COLLAPSIBLE FLASK: Soft material conforms to any pocket, and shrinks as you drink to reduce movement and pack away easily when empty.
- BEYOND LIFETIME WARRANTY: If you experience any issue, we’ll repair or replace the item for free. Whatever it takes to keep your adventure going.
8.8Very Good
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8
LX LERMXLERMX Quick Grip Chill 17 oz Handheld soft Flask Water Bottle Hydration Pack (17 oz Black)
9.9 Light weight9.3 Easy to grip8.4 ComfortWhy we love it
Comfortable and adjustable hand strap for relaxed grip
Convenient storage for essentials like keys and phone
Durable with easy cleaning and BPA-free materials
8.7Very Good
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9
TRIWONDERTRIWONDER TPU Soft Folding Water Bottles BPA-Free Collapsible Flask for Hydration Pack - Ideal for Running Hiking Cycling Climbing (500ml/16.9oz - Pack of 2)
Why we love it
Eco-friendly and BPA-free material.
Compact for easy storage.
High-flow valve prevents leaks.
8.6Very Good
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10
HydraPak11% OffHydraPak PocketFlask 500ml - Compressible, Low Profile Soft Flask Water Bottle, Ideal Fit for Run Belts and Form Fitting Pockets with Locking Cap (500ml / 17oz)
Main highlights- SPILL PROOF LOCKING CAP: 28mm locking cap easily opens and closes with a touch of the thumb, preventing leaks and drips.
- FITS RUNNING BELTS AND VEST POCKETS: Low profile soft flask and minimal cap design are specifically built to fit snugger pockets in running belts and vests.
- DESIGNED FOR COMFORT: The tapered shape with a pinch-welded bottom and smaller cap size makes it easy to carry, preventing any pokes or irritation during activity.
- COLLAPSIBLE FLASK: Soft material conforms to pockets, and shrinks as you drink to reduce movement and pack away easily when empty.
- BEYOND LIFETIME WARRANTY: If you experience any issue, we’ll repair or replace the item for free. Whatever it takes to keep your adventure going.
8.4Good
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