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RunX Nutrition

Soft Flask 250ml

Soft Flask 250ml

$14.95 AUD
$14.95 AUD
Your Price Sold out

A compact, flexible flask for gels or fluids.

The RunX 250ml Soft Flask is lightweight, reusable, and designed to collapse as you drink it. With a bite valve for easy sipping and measurement markings for accurate filling, it’s ideal for carrying FUEL SHOTS, drink mixes, or water.

Simple, practical, built for movement.

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"These are elite. Easy to carry and collapse as you drink — Please get one because I ordered heaps."

- Jack Bennett, Creator of the RunX Soft Flask.

"Benefits of our Soft Flask?"

  • Lightweight & Compact

    Designed for runners and athletes, this soft flask collapses as you drink, reducing bulk and making it easy to carry during training or racing.

  • Easy Squeeze & Bite Valve

    With a soft, flexible body and bite valve for smooth flow, hydration or fueling has never been easier—no leaks, no hassle.

  • Keep It + Get Your Money Back

    We’re confident you’ll love the RunX Soft Flask, but if it’s not the perfect fit for your training, we’ll refund your money—no questions asked. Plus, you keep the flask. That’s how sure we are you'll love It.

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Frequently Asked Questions

1. What can I put in the Soft Flask?

It’s perfect for water, electrolytes, energy gels, or FUEL SHOTS. Avoid hot liquids or carbonated drinks.

2. How does the Soft Flask work?

The collapsible design shrinks as you drink, reducing sloshing and making it easier to carry. The bite valve allows for easy, controlled sipping—no leaks, no mess.

3. Does the Soft Flask fit in running vests and belts?

Absolutely. The compact and flexible design fits most running vests, belts, and handheld carriers.

4. Does it leak?

Nope. The bite valve prevents leaks, and the soft, squeezable material makes fuelling on the go easy.

5. How do I clean the Soft Flask?

Rinse thoroughly after each use. It’s dishwasher safe, but we recommend occasional deep cleaning with warm soapy water.

6. Can I freeze the Soft Flask?

Yes, you can freeze it, but leave room for expansion to prevent damage.

7. Is there a warranty or guarantee?

Without a doubt. We offer a Love It or Your Money Back Guarantee—if you’re not completely satisfied, we’ll refund you, and you can keep the flask.

We’re confident you’ll love the Soft Flask, so there’s absolutely no risk in trying it.