OMM Ultra Flexi Flask 500ml – Bite Valve

The OMM Ultra Flexi Flask 500ml is a lightweight, flexible hydration flask designed for quick, easy drinking while running, hiking and moving fast in the mountains.

Its soft construction compresses as you drink, helping reduce water movement and taking up less space as it empties. The bite valve gives you fast access to hydration without needing to stop, making it ideal for running vests and easy-access pack pockets.

Key Features

• 500ml capacity
• Soft, flexible flask construction
• Bite valve for quick, convenient drinking
• Compresses as you drink to minimise movement
• Lightweight and packable
• Easy to carry in running vest and pack pockets
• Ideal for trail running, fast hiking, racing and mountain adventures

Who Is It For?

A great choice for trail runners, fell runners and fast-moving hikers looking for a simple, lightweight hydration flask that fits easily into running packs and vests.