Ultimate Direction Body Bottle
Best collapsible flask for long-distance runners needing lightweight, accessible hydration.
This soft flask is built for runners who need to shed weight and bulk. It collapses completely as you drink, eliminating slosh and making it easy to stash in a vest or pack when empty.
$44.95
at
Amazon
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Who it's for
- Athletes needing rapid, hands-free hydration while moving
- Ultrarunners distracted by sloshing or bulky gear
- Ultimate Direction vest owners seeking a secure, stable fit
Who should skip it
- Racers needing fast, one-handed aid station refills
- Sensitive drinkers bothered by initial chemical flavors
- Runners who prioritize easy maintenance and hygiene
Performance breakdown
Flow Rate
High-flow valve delivers consistent hydration without requiring excessive suction effort.
Packability
Collapses down to almost nothing once empty, saving precious vest space.
Refill Speed
Wide mouth opening makes mid-run refills at aid stations incredibly fast.
Durability
Soft material is lightweight but requires care to avoid sharp punctures.
Ergonomics
Flexible shape conforms comfortably against the body during intense movement.
Cleaning Ease
Wide opening helps, but the soft corners can trap residue easily.
Still have a question?
Ask Metto anything about the Ultimate Direction Body Bottle before you decide.
