Vionic Mens Dr. Weil with Orthaheel Technology Arco Wool Slipper Wool Part of the Dr. Weil by VIONIC with Orthaheel Technology&reg; collection. Lounge in leisurely luxury with these stylish VIONIC with Orthaheel Technology mule slippers. Wool fabric upper in a classic mule silhouette. Slip-on design for quick and easy on and off. Breathable wool lining and footbed. Podiatrist-designed, biomechanical orthotic footbed with deep heel cup stabilizes, supports and realigns the feet back to their natural position. Lightweight, flexible cork midsole absorbs shock to reduce stress on the feet, ankles and knees. Durable TPR outsole with wave-patterned tread provides traction to maintain your confident stride. Clinically shown to help relieve common causes of heel pain or plantar fasciitis, and knee pain related to over pronati