The Advance is a low boot with a fashionable rouched upper. The Advance has an inside zipper for accessibility, a padded heel cup & slightly padded upper. This style has a 3.25" shaft. Naot's anatomic cork & latex footbed is wrapped in pampering suede and molds to the shape of the foot with wear. The Avant-garde Collection features a 2" TPR sole with a metal shank. Narrow to medium fit.