Sanita Men's Pu Mule 100% Polyurethane Imported Synthetic sole Heel measures approximately 1.5" Platform measures approximately 0.5 inches Slip resistant outsole Polyurethane (pu) outsole reinforced with a hard plastic frame Anatomically shaped footbed for arch support with a roomy toe box Rocking motion sole allows natural motion from heel to toe Approved by the apma for its standards in arch support and orthopedic construction