Large rear mesh stash pocket for phone or nutrition gels

creating a premier competition fit for executing rapid pivots

ensuring smooth and stable movement

+ Category: Trail Running

On Ultra Vest Pro Size:X-Small Large rear mesh stash pocketThe next gen of On's pinnacle trail running vest! With a 10L dry pack and 2 500ml Hydrapak flasks for hydration. Optimized performance: Featuring improved bottle and pocket positioning for a better performance. A zip pocket at the front for easy access to your phone. And a new zip pocket at the back to safely store essentials, without bouncing or bunching. Athlete validated design: Tested and loved by elite trail athletes, this vest is up for every