creating a premier competition fit for executing rapid pivots

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

Contains 8 x PURE Fluid Energy Gels

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

Length: 2"

On Ultra Vest Pro Size:X-Small creating a premier competition fitThe 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