Vionic Leather Size 6 Black Reagan Nubuck Mule Features Natural Alignment Technology with Orthaheel Features Deep heel cup for stability and natural alignment Podiatrist-designed biomechanical footbed with contoured arch support Firm yet flexible and shock-absorbing EVA midsole promotes balance Recommended by Dr. Andrew Weil Product Details 1'' heel Slip-on Leather upper ah Rubber sole New with Box