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Equip your pack with the UltrAspire Bladder for stellar hydration while you mountain bike or run a marathon. This BPA-free hydration reservoir features a wide, open Slide Seal mouth for easy refilling and turns inside-out for simple cleaning.

  • BPA-, phthalate-, and PVC-free hydration reservoir comes in one-liter and two-liter sizes
  • Slide Seal opening opens wide for refilling and seals tightly when in use
  • Includes push/pull Infusion valve
  • Simple Plug-N-Play tube attachment
  • 5/16th diameter tubing provides a high flow
  • Reservoir turns inside out for easy cleaning
  • Tubing comes standard in UltraRed color

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UltrAspire Bladder

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Here's what others have to say...

4 5

Feel the flow

  • Gender: Male
  • Familiarity: I've used it several times

Got this to use with my Mountain Hardwear running vest as my existing Camelbak bladders were too big and bulky and it it fits perfectly. I opted for the 1L variant and was interested in the high flow tube but was worried that it might make me deplete my fluids faster than I wanted to. No such thing happened, it just delivers fast bursts of fluid when you want them and it doesn't leak or drip when on bumpy or rocky descents. Great product. Might come back and add the 5th star after more time passes as I want to see how it holds up after more miles.