The Architect is a trendy ballet flat. This style has a padded heel cup for stability & comfort. This style comes with 4 inserts in each box which allow you to create a custom fit. The front portion of the Architect features padded technical lining which provides comfort and absorbs moisture. Naot's removable, anatomic cork & latex footbed is wrapped in pampering suede and molds to the shape of the foot with wear. The Creation Collection features a 1.25" polyurethane sole which is extremely lightweight and durable. There is a plastic shank built into the sole for extra stability. This collection uses a hand-sewn stroble construction making it strong and extremely flexible. Medium fit.