Swimrun Vivobarefoot Hydra ESC review: a water shoe with claims to swim run and trail abilities A cut down version of the Tempest ESC, with excellent drainage and traction, but also a potential comfort problem Vivobarefoot make a splash with new Hydra ESC swim-run water shoe Natural footwear brand also launches Blue Health campaign to encourage people to enjoy a more aquatic life What is SwimRun? We explain the basics of this endurance event Swim running, or SwimRun, has become an increasingly popular pursuit in recent years. But what is it? Advnture NewsletterAll the latest inspiration, tips and guides to help you plan your next Advnture!Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors LATEST ARTICLES1Hikers criticised for poor parking, which slowed rescue teams in the Peak District after a man was injured2Officials investigate popular hiking trail as possible starting point of devastating Los Angeles fires3As comfy as 'slippers with studs on', these five-star hiking boots are ready for winter, and they're up to 60% off right now44 snowboarders have fallen from chairlifts in one Colorado county this season – how not to be next5Second climber in less than a month falls to death at popular Spanish climbing spot