Hydrapak UltraFlask Speed 600 ml

The hydrapak UltraFlask Speed 600 ML is a 600 ml soft flask. It is designed to be close to you, so that your hydration is made easier. Basically, it is designed for mountain running and trail running, but you can also use it during your hikes. This bottle fits easily in the shoulder pockets of your backpack, your bag or trail vest and even in a running belt.

This flexible water bottle has a large opening, allowing easy filling. It has a high-flow valve and a screw cap. The valve can be used with or without the extension tube.

This flexible tank folds when empty, which limits its size.