average rating 5.0 out of 5
Based on 87 reviews
  • 5 Stars
    83 Reviews
  • 4 Stars
    4 Reviews
  • 3 Stars
    0 Reviews
  • 2 Stars
    0 Reviews
  • 1 Star
    0 Reviews
100% of reviewers would recommend this product to a friend
Times Used
Rated 3 out of 5
Quality
Rated 4 out of 5
Function
Rated 4 out of 5
Customer photos and videos
87 Reviews
Reviewed by Mitch L., from United States
Verified Buyer
I recommend this product
Product Standouts
  • High Quality
  • Very Comfortable
  • Compact
  • No Bounce
I use it for
  • Trail Running
  • Road Running
Rated 5 out of 5
Review posted

Gets the job done.

This soft flask works just like you would expect. Lightweight, easy to fill and carry. I most like how it collapses in on itself while you drink so as to lessen the water swishing around when you are back on the move.

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Times Used
Rated 4 out of 5
Quality
Rated 5 out of 5
Function
Rated 5 out of 5
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Reviewed by Ed W., from United States
Verified Buyer
I recommend this product
Product Standouts
  • High Quality
  • Compact
  • Easy Access
I use it for
  • Ultrarunning
Rated 5 out of 5
Review posted

Soft Flask

Breaks down small for storage until needed. Fits well in the front pocket of my double barrel vest for hot days and long distances between aid stations. Long straw makes it reachable without taking it out of the pocket every time.

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Times Used
Rated 5 out of 5
Quality
Rated 5 out of 5
Function
Rated 5 out of 5
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Reviewed by Derrick G., from United States
Verified Buyer
I recommend this product
Product Standouts
  • Easy to Wash
  • High Quality
I use it for
  • Trail Running
  • Road Running
  • Marathon
Rated 5 out of 5
Review posted

Perfect flask

I now have 5 of the Ultraflask and love each of them for the simplicity and also being able to have a straw for me or just the bite valve for my wife

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Times Used
Rated 5 out of 5
Quality
Rated 5 out of 5
Function
Rated 5 out of 5
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Reviewed by ILA A., from United States
Verified Buyer
I recommend this product
Product Standouts
  • Easy to Wash
  • High Quality
  • No Bounce
  • Easy Access
  • Very Comfortable
I use it for
  • Ultrarunning
  • Trail Running
  • Road Running
Rated 5 out of 5
Review posted

Nice bottles

I like that they hold a bit more and set up high.

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Times Used
Rated 1 out of 5
Quality
Rated 5 out of 5
Function
Rated 5 out of 5
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Reviewed by Jeff S., from United States
Verified Buyer
I recommend this product
Product Standouts
  • Easy to Wash
  • Very Comfortable
  • No Bounce
  • No Chaffing
  • High Quality
I use it for
  • Trail Running
  • Ultrarunning
  • Road Running
Rated 5 out of 5
Review posted

Ultra flask

Light, compact, comfortable and no sloshing

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Times Used
Rated 4 out of 5
Quality
Rated 5 out of 5
Function
Rated 5 out of 5
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