Unisex ON Running Ultra Vest 5L – Undyed / White

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.

This high-performance vest built for shorter distances have been rigorously tested by the On elite team of trail athletes. Its thoughtful and minimalist design guarantees a seamless experience, whether you’re racing, training, or simply chasing that natural high on the trail.

This vest is all about being 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. Think of additional daisy chain loops and modular attachments for your gear, whether it’s poles or a quiver bag. 

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

Weight: 127g