Vionic Women's Airlie Mule Navy Clog/Mule Faux Leather^Synthetic Rubber sole Slip your feet into sleek sophistication and luxurious comfort with these stylish Orthaheel&#174; mules. Received the APMA Seal of Acceptance. Synthetic leather upper with a subtle metallic sheen. Hook-and-loop closure allows for a secure fit with plenty of adjustability. Textile lining keeps feet cool and dry. Microfiber footbed will cradle the foot in comfort and support. Features the Orthaheel premium "Active" removable biomechanical footbed. Flexible and lightweight rubber outsole with patterned tread. Invented by Australian podiatrist Phillip Vasyli, this shoe features biomechanical orthotic technology that supports feet and helps realign the lower legs to reduce over pronation and associated aches and pains. Imported.