Designed to let growing feet thrive, the Primus Strap is tough enough to withstand the wildest playground adventures and smart enough for the classroom. Made with Wild Hide leather from free-roaming cattle, this super-tough barefoot shoe features an easy-pull strap and a highly durable rubber outsole. Most importantly, Primus Strap is foot-shaped, allowing feet to move with natural freedom. The super-thin sole is designed to allow kids to feel the ground beneath their feet, vital for healthy, skillful movement.