Sanita Women's Professional Oslo Clog Printed Patent Leather Imported Synthetic sole Rocker bottom construction allows natural motion from heel to toe encouraging a healthy stride^The design creates a subtle rocking motion that propels you forward while taking the pressure off each step thus reducing the strain on your lower back and legs^Polyurethane outsole constructed and reinforced with a hard plastic frame to provide stability and durability^Approved by the american podiatric medical association for its standards in arch support and orthopedic construction^Anatomically shaped footbed engineered for arch support and a roomy toe box