With the On Ultra Vest 5L on our body, staying hydrated during our short to medium-distance trail run is easier than ever. The built-in hydration system features two 500ml Hydrapak flasks on each side of our chest for quick access, while a variety of pockets store our smaller items such as gels, keys, and other essentials.
- A minimalistic 5L vest for short to middle-distance trail runners
- Made with breathable mesh material for a comfortable, secure fit
- Patented-pending closure system allows for precise placement adjustments
- The use of non-stretch materials nearly eliminates bottle bounce
- Two 500ml Hydrapak flasks keep hydration easily within reach
- Strategically placed daisy chain loops attach a quiver bag, poles, etc.
- Item #ONFB09O
- Responsible Collection
- Recycled/Repurposed
- Material
- [main] 85% recycled nylon, 15% elastane, [pockets] 41% nylon, 41% recycled nylon, 18% elastane
- Activity
- trail running, road running
- Manufacturer Warranty
- limited

























Reviews
There are no reviews yet.