OMM Ultra Flexi Flask 500 ml + Straw

$42.99

The OMM Ultra Flexi Flask is a 500ml soft flask with a straw and bite valve. It shrinks as you drink, which stops water sloshing and makes it easier to sip. It's a light, packable option for trail runners using vests or belts.

Collapses as you empty it, so no bounce.
Easier to suck from as it shrinks.
Wide mouth for refills from streams or adding powder.
Bite valve closes up so it won't spill in a pocket.

Volume: 500ml
Weight: 55g
Colour: Clear
Material: Durable thermoplastic
Lid: Interchangeable lid and bite valve
Extras: Straw, collar, BPA, PVC and phthalate free

Trail runs with a vest
Race days
Runners who dislike sloshing
Packing small when empty

Less suited to: Hands-free hydration or very long gaps between refills. For that, look at Hydration.

Soft flasks are what most vests are designed around. This one is light and the straw helps you reach it in a front pocket.

OMM Ultra Flexi Flask 500 ml + Straw

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