11 mm drop: due to variances created during the development and manufacturing processes, all references to 11 mm drop are approximate Medicare / HCPCS code = A5500, may be eligible for Medicare reimbursement Rubber outsole Suede/mesh upper These shoes were proudly assembled in our U.S. factories by our more than 1,200 U.S. workers. Since the domestic value is less than 70%, we have labeled them "Assembled in the USA."