Precision Fuel & Hydration Soft Flask - 500ml

Our lightweight, portable soft flask is ideal for trail running and swimrun.

Weighs only 29 grams
Fast-flow bite valve that's easy on your teeth
Shrinks while you drink to eliminate 'sloshing'
Fill marks so you can easily mix up drinks to your needs
BPA/PVC free, will not taint taste
Can be compressed down for easy storage