Peluvas prompt research-proven foot strengthening effects all day long by giving back more mobility and flexibility to feet than rigid and even over-cushioned soles. Zero degree heel-to-toe drop mimics natural, barefoot elevation of the foot leading to a healthy stride. Separate toe slots dedicated to each toe provide an even wider toe box and more structured yet natural alignment than traditional barefoot shoes and toe spacers. Customers love the increased sensory perception. NO BOX.