Sanita Men's Textured Oil, Pro Mule 100% Leather Imported Synthetic sole Shaft measures approximately not_applicable from arch Heel measures approximately 2" Platform measures approximately 0.75 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