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Handheld Soft Fuel Flask

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Lightweight soft flask with tapered bottom featuring bright yellow body with INFINIT logo and volume lines.

  • Easy and comfortable way to carry your nutrition.
  • 12 oz (350ml) with clear volume lines to track intake.
  • Perfect for concentrating and carrying your INFINIT on the run.

The perfect bottle for athletes who need to keep carrying weight low and their nutrition close at hand. 12 ounce (350ml) easy-carry soft flask features the INFINIT logo on one side and volume lines for measuring and tracking intake on the reverse side.

Compact handheld size with a tapered bottom and soft squeezable material makes holding this bottle a breeze. Plus, the pliable material compresses as you drink, eliminating excess sloshing.

Soft-bite valve allows for fast and accessible sips, and a light squeeze provides ample leak-proof hydration.

Mix up your favorite INFINIT fuel & hydration mix for a short run, or concentrate it to make a multi-hour bottle that’s easy to carry and stow away.

  • Made of safe, non toxic and taste-free TPU material
  • FDA approved food grade bottle
  • BPA and PVC Free
  • Soft Bite Valve
  • No mess, leak proof cap
  • 350ml / 12oz
  • Weight: 0.70 oz

    Go Green! Using reusable bottles, manufactured with safe & high quality BPA-free materials is the eco-friendly way to fuel. Less waste. No litter.

Customer Reviews

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Perfect Tri bottle
Jan 15, 2024
I got this bottle as a freebie from Infinit. I used it on the run portion of a couple triathlons last season and it’s great! Light weight and fit perfectly in the back pocket of a tri suit.
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Perfect for racing
Oct 11, 2023
This soft flask is perfect for racing! The size fits well in your hand and doesn’t leak. I tried out so many different flasks and this is the only one that holds more than 5oz of water that was comfortable to carry!
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No slosh & no air ...
May 18, 2022
No slosh & no air bubbles like drinking from a water bladder hose. No leaks either. Perfect for training and races. Awesome little bottles! Just wish they also came in a larger size option.
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Awesome handheld soft fuel flask
Jul 1, 2021
This is my go to Soft Fuel Flask for races and training. So easy to use love the color and easy to clean. Living and training in Florida can be brutal during the summer so I like to carry a bottle of my Infinit running mix during my run workouts. This is a great fuel flask to carry.
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