The i-Run team says
The Osprey Hydraulics 500 ml flask is ideal for your trail running, hiking, or running outings.
Its flexible 500 ml format allows you to easily carry your hydration source during your sports activities.
Key features of the Osprey Hydraulics 500 ml flask
- Compatible with the Duro and Dyna collections from Osprey
- Flexible and lightweight format: easy to carry
- BPA-free
- Volume: 500 ml
- Colors: transparent, black, and gray