OMM Ultra Flexi Flask (350ml)

The OMM Ultra Flexi Flask can be filled with regular tap water, or powder supplements due to its wide neck and drink fill markings make it easier to measure out your correct volume.

The OMM Ultra Flexi Flask is of thermoplastic polyurethane construction making extremely flexible and light making it very compact and easy to transport. With an impressive 350ml capacity, the ability to compress as you drink, soft bite valve and being non-toxic the OMM Ultra Flexi Flask is the perfect way to keep hydrated on a run without having to carry a large cumbersome bottle.