Orthaheel Weil Seville Asymmetrical Flat by Black - 6 Leather Leather upper. Fits medium widths. Care: To preserve the appearance of your Weil Integrative Footwear- we recommend that you clean the leather- if needed- using a dry- cotton cloth to wipe away dirt or dust. Decorative leather buckle trim across vamp.Decorative leather buckle trim across vamp. Suede upper. Covered Heel. Fits medium widths. Removable biomechanical Orthaheel orthotic technology with a Multi-density microfiber covered orthotic with EcoFresh. Flexible and lightweight rubber outsole with patterned tread helps improve traction. Invented by leading Australian podiatrist- Phillip Vasyli- this shoe features biomechanical orthotic technology that supports your feet and helps realign the lower legs- reducing over-pronation and associated aches and pains.