Inov-8 UltraFlask 500ml with 10" tube

Regular price $40.00
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So light you might forget you brought it! Optimal hydration for any activity.

2-in-1 functionality with removable tube.

The versatile 500ml Ultraflask features a high flow phaser bite valve and a 10" tube so it can be used with standard tops or straws depending on your preference. A large 42mm cap entry aids quick and easy refilling at race checkpoints. A durable, shaped RF welded construction and flexible TPU design ensures the bottle is soft and flexible, reducing any water movement and fitting to any body shape.


  • Soft, flexible  flask body
  • 2-in-1 functionality with removable tube, or cut the tube to desired length
  • 500ml liquid capacity
  • Wide screw top opening
  • High flow rate soft silicone bite valve
  • Dishwasher safe (top rack)
  • BPA free/ PVC free 
  • 48g weight

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