Details & FeaturesThe Prim is right on trend with a white bottom and jute wrapped trim. This casual flat designed for all-day comfort with Baretraps innovative Posture + technology. Posture + was developed by a podiatrist to help reduce foot pain with a built-in orthotic. The Posture + difference is in the heel, featuring a supportive heel cup to keep your body in proper alignment. Each Posture + footbed also features built-in arch support and a cushioned footbed for comfort, alignment, support, and balance.