VIONIC Womens Flores Textile Mule Wool Heel measures approximately 0.5 inches" Perfect for whatever comes your way, these VIONIC&#174; with Orthaheel&#174; Technology mules will cradle your feet in comfort and style. Wool fabric upper with a decorative buckle at the side. 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 pronation and flat feet. Received APMA Seal