Perfect for trail running, with the Free belt pro UTMB Series, set out hands-free up to 6 hours in total autonomy! It will also be very convenient as a complement to your hydration vest. Its single compartment offers a great flexibility of organization so you can manage storage space according to your needs: cellphone, gels, flask, wallet, waterproof jacket... It may contain up to 1.2L of water and a reflective notch allows the tube to come out so you stay hydrated at all times. Without any zip or closure system, you can easily grab what you need on the go. The ergonomic cut and stretchable fibers will keep its content firmly in place. You can also carry your foldable or retractable batons without discomfort. They can be attached and taken out in less than a second. The belt also allows you to hang you bib number safely. Ultra-light, seamless and highly ventilated, the belt is very comfortable. Easy to slip on, it naturally adapts to all body types and remains perfectly in place without any bouncing.