When Salomon wanted to make new hydration system to assist athletes on the trail, they turned to Kilian Jornet, François D'Haene, and Ryan Sandes. These three athletes know a thing or two about staying hydrated on a long run. In this video, they share their thoughts on the subject and discuss how they played a role in creating a new hydration system with Salomon engineers that went on to become a major game changer for endurance athletes.