ensuring smooth and stable movement

stretch knit fabric and feature side mesh panels for improved breathability and freedom of movement

our new Naked® SL Running Band packs a powerful lightweight punch

Stack Height: 25mm

Length: 2"

On Ultra Vest Pro Size:X-Small ensuring smooth and stable movementThe 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