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Quantity
1
USWE (pronounced - YOU-SWEEE) makes one thing: phenomenal product.
Lately, if you've been paying attention to some of the racing scene, you've seen these on some world-class athletes crushing events like Leadville 100, UNBND Gravel, or SB...
Reviews
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Running flask
Works great. No leaks.
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NICHOL · April 28, 2026
Great Flask!
This flask fits perfectly in my vest and I love the long straw so that I can get to it on my run. I don't like to stop for anything on my marathons, so this flask is perfect for taking a quick drink while on the course. I usually fill this with my hydration packs and I like how it is easy to clean (top rack dishwasher safe) and it has not changed in color or quality.
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Alexis · November 21, 2024
USWE VEST WITH THE ULTRAFLASK
I’ve used these on 3 Ultras so far this year. I love the way these work! 30+ years of Ultras and this is the best set-up to date.