Orthaheel technology helps reduce over-pronation and restore natural foot alignment for a pain-free, more active lifestyle. This podiatrist-designed biomechanical contouring is built into each and every Vionic shoe, sandal and slipper for men and women. It is tried, trusted and often times life-changing, based on more than 30 years of podiatric medical success and raving customer satisfaction. Such credentials distinguish the Vionic brand as unparalleled in both innovation and value.