The long-anticipated On Running running vest is finally here! This lightweight 5-litre vest is purpose-built for short-medium distances and comes complete with a built-in hydration system and customizable fit.
Tested by the On elite team of trail athletes, this high-performance vest with its thoughtful and minimalist design guarantees a seamless experience, whether you're racing, training, or simply chasing that natural high on the trail.
Ultra-light yet incredibly tough. Crafted from breathable mesh material, it provides a snug and secure fit that won't budge. Thanks to the patent-pending closure system and adjustable hem, you can customize the vest's placement to perfectly suit your body. No more annoying bottle bounces; just a smooth and comfortable ride.
Equipped with two 500ml BPA-free Hydrapak® flasks, plenty of pockets and a simple fastening system that tightens, the Ultra Vest 5L is packed with all the essentials.
Front Features
- 2 Integrated 500mL Hydrapak flasks secured by bungee loops. With internal foam padding behind each flask for comfort.
- 2 elastic front pockets for easy access to essentials
- One zippered pocket to store a key
- Leave no trace using the garbage stash pocket with easy-clean lining
- A customisable closure system for personalising your fit
- Removable bungee chords and daisy chain loops
- Integrated emergency whistle and ID label
- High-visibility reflective elements
Back Features
- Light, airy, and stretchable fabric that forms to your body for unlimited range of motion
- A quick-stash back pocket to pack away a light jacket
- Side pockets at the wait hold your energy gels and snacks
- Daisy chain loops at the shoulders and waist allow you to attach your poles or quiver bag
Product Code: 2UD30030864, 2UD30030553
Weight: 127g
