Medicare Approved: These styles have been approved for reimbursement under the Medicare Therapeutic Shoes for Persons with Diabetes Benefit (also known as the Therapeutic Shoe Bill).Double Insoles: With the Propét EV (extra volume) insole system, customized fit and comfort is easy. Remove the bottom insole to provide a little extra volume or remove both to accommodate custom orthotics.Stretchable: The perfect styles for feet with bunions or hammertoes or other conditions that require a little extra 'give.' Our stretchable leatherette, PU and neoprene panels mean feet will be comfortable no matter what.The perfect combination of full grain leather and stretchable neoprene with a padded collar and tongue gives you a comfortable fit for hard to fit feet. Also can accommodate custom orthotics and the rubber outsole is durable and offers cushioned traction. Leather/ Neoprene with single strap closure.