Whether your run is weekday maintenance or pushing through mile 50 of your fifth ultramarathon of the season, proper hydration is essential for high performance on trail.
Go big. The largest of our ultra-light series, the UltraFlask Speed 600 ml holds more so you can go the distance. Its soft material allows it to fit snugly in most vest pockets and it shrinks as you drink to minimize water movement. Topped with our newest SpeedFill™ cap feature that makes aid station refills a breeze.
BPA & PVC free
Leakproof
Freezeable
UltraFlask™ Speed 600 ML 2-Pack
Regular price
$46.00
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Beyond™ Lifetime Guarantee
Go big. The largest of our ultra-light series, the UltraFlask Speed 600 ml holds more so you can go the distance. Its soft material allows it to fit snugly in most vest pockets and it shrinks as you drink to minimize water movement. Topped with our newest SpeedFill™ cap feature that makes aid station refills a breeze.