The Vionic Satima is a sporty women's athletic walking shoe that is built for comfort and stability. Vionic Satima Navy Synthetic Women's Shoe Features include: Mesh and man made uppers. Firm yet flexible, removable textile-covered EVA orthotic insert. Durable rubber outsole. Vionic active footwear features Advanced Motion System AMS technology, combining our podiatrist designed orthotic with a flexible, cushioned outsole and a lightweight, breathable upper. Step into support for work, play and everyday. Recommended by Dr. Andrew Weil. For the greatest comfort, we recommend wearing your new Vionic with Orthaheel Technology footwear or orthotics for just a few hours for the first few days to allow your feet to adjust to the new level of orthotic comfort and support. Within one to two weeks you should find the product completely comfortable and supportive.