Product Details: Size Chart Sleek style, incredible support and a reimagined “V” logo define this next-gen edition of our best-selling Miles active sneaker. Available in Wide. Upper: Mesh and synthetic fabric. Footbed: Removable mesh covered EVA Outsole: Durable rubber. Heel Height: 1.5". Platform Height: .75". 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. 1st Ray Technology promotes better forefoot mobility and gait efficiency. For the greatest comfort, we recommend wearing your new Vionic footwear 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.