The Avia Work & Burn, is made for the working woman that's on her feet all day. Designed using Avi-motion system, the Avia Work&Burn is one of the first biomechanically-correct Toning shoes accepted by the APMA that allows your foot to move naturally. The Work & Burn gives you a stable platform that helps you tone up with everyday walking. So, workout while you work and feel free to enjoy the whistles.