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Global ratings 31
  • 5
    15
  • 4
    3
  • 3
    2
  • 2
    2
  • 1
    9

Type of review

Revainrating 5 out of 5

Get the 600ml for my opinion

I got 2 or the 500 ml. They’re long and skinny and don’t fit snug in any hydration pack. I got one of the 600ml and that fits perfect in all my packs. I wish I had gotten 2 of the 600ml.

Pros
  • Perfect, even for everyday and use. I like to put hot water in it to drink when I’m cold.
Cons
  • The water bottle may develop an unpleasant taste after prolonged use

Revainrating 5 out of 5

Gets the job done for my opinion

I use these for my Lululemon run vest and they work/fit great. I’m able to drink all the water in it while it’s in the vest and I’m running

Pros
  • So far it’s held up, is lightweight and flexible, and no leaking.
Cons
  • The opening of the water bottle may be too narrow for some individuals

Revainrating 1 out of 5

If they didn't leak at the threads, they'd be perfect

Like the headline says, these leak at the threads when full. Not a ton of leakage, but enough to not trust them. Otherwise, they're fantastic, you know, when they're not leaking.

Pros
  • PERFECT FOR AID STATIONS:UltraFlasks are equipped with our SpeedFill Cap designed for quick and easy refilling at aid stations. A side tab pops open the cap in one motion and snaps shut with a click.
Cons
  • The collapsible feature may be difficult to operate in colder temperatures

Revainrating 1 out of 5

Poorly made garbage.

One has a hole and the other leaks at the lid. Got these as a gift so the return window is closed. Buyer beware. That's my review.

Pros
  • Resistant to punctures and abrasions
Cons
  • The water bottle may not be as comfortable to hold as a non-collapsible water bottle

Revainrating 1 out of 5

Wouldn’t recommend.

Ripped after 3 uses. Too big to easily fit in a UD Jenny hydration vest. I liked the option of two lids. Wouldn’t recommend, go with a different brand.

Pros
  • Can be used with a straw
Cons
  • The water bottle may develop cracks or holes over time with frequent use

Revainrating 5 out of 5

Great for running vest pocket

Comes with the straw cap and a separate regular-type cap. Works as advertised. Has a wide enough mouth to make it easier to add powders than similar soft flasks. I'll probably buy a second one

Pros
  • Perfect for hiking, cycling, or camping
Cons
  • The water bottle may require frequent refilling due to its smaller capacity

Revainrating 4 out of 5

Perfect drinking tool for on the go.

This is great. Not more but bulky water bottles taking up room on the shelf. No weird plastic taste. Just clean water. Wide mouth to fill with ice. Well made. Both bite valve also work well.

Pros
  • Leakproof design
Cons
  • The water bottle may not retain heat or cold as well as a non-collapsible water bottle

Revainrating 3 out of 5

2nd one that sprung a leak after a very short time

Both sprung a leak with very gentle handling. That’s two for two.#1-1 month of use.#2-3 months of use.I do not recommend.

Pros
  • Compatible with most water filters and purifiers
Cons
  • The water bottle may require more frequent maintenance than a non-collapsible water bottle

Revainrating 4 out of 5

Working to fit my running vest.

Easy to fill and clean, no taste from the flasks. My only issue is they don’t sit in my vest pocket like I want them too. The long caps, the straws are too short to stay secured in my vest and the short ones make the flasks fall out of my vest pocket when I lean down a little.

Pros
  • great, I use it on every long distance running
Cons
  • Within a week of use, there was a hole in the bottle. Don’t recommend

Revainrating 1 out of 5

Trash! Soaks my pack

Just another trash product being sold on Revain. I bought the flasks for trail running and liked that I could use the extended straws, but water leaks everywhere soaking my pack, jacket and shirt. I'm so tired of the trash companies with their garbage products!

Pros
  • Like the 2 different tops
Cons
  • The water bottle may not fit securely in some hydration packs

Revainrating 5 out of 5

Super Convenient! good for me

I have two of these. I run a lot and like to have different options for hydration that fit the mileage/terrain I run. For long runs, I wear a hydration vest and use the hydration bladder. But, for shorter runs, where I still want to carry water/electrolytes, I love these bottles for several reasons.1) I don't like hand-helds because I prefer to have my hands free2) If I am not using my reservoir bladder, I'll use these and they happen to fit perfectly in the front pockets of my running vest…

Pros
  • Awesome product!
Cons
  • The water bottle may be difficult to clean thoroughly