Vionic with Orthaheel Technology Mens Endurance Walking Shoes Black Wide Size 13 Leather Podiatrist-designed biomechanical orthotic footbed with deep heel cup helps support and realign the feet back to their natural position Lightweight flexible EVA midsole absorbs shock to reduce pressure on the feet ankles and knees Clinically shown to help relieve common causes of plantar fasciitis heel pain and knee pain related to over pronation and flat feet Has the American Podiatry Association Seal of Acceptance Recommended by renowned MD Dr Andrew Weil