The Hydra ESC is our pinnacle swimrun and trail trainer, built to thrive in the aquatic biome in harmony with nature. It’s a pioneering take on amphibious barefootwear, created alongside elite athletes to glide underwater, grip on land, and drain and dry quickly.Foot shaped (not shoe shaped), to let your feet do their natural thingWIDE to allow for natural stabilityTHIN to enable you to feel moreFLEXIBLE to enable natural movement.ESC Michelin® rubber sole for ultimate, flexible grip across the wildest terrains.MICHELIN ESC OUTSOLE:The Michelin © Esc Sole, offers extreme traction using high performance rubber and aggressive off trail lug design, for ultimate grip in the most challenging environments. 2.5mm base and 7mm lug height designed to maximise ground feel and grip in the most demanding environments. The articulated toe lugs act like claws for the assent, while the essential heel lug is the critical break for steep descents. The lateral edge traction for traversing along steep inclines and textured arch provides zonal grip for technical off trail movement.VEGAN/ANIMAL FREE:Made from materials that are free from animal products and meet the Vivobarefoot vegan definition.MADE IN VIETNAM:Made with feeling in Ho Chi Minh and Hanoi, Vietnam.NATURAL MATERIALS:Made from renewable natural materials.REVIVO:Made for feet, not landfill. These were designed to be remade and reworn. When you are finished with them please send to revivo.com.au.