Step into the smooth style of the Primigi Kids® Chab boot. Leather upper. Adjustable straps with hook-and-loop fasteners. Lined with leather. Leather footbed. Synthetic outsole. Incredible benefits provided by Primigi's™ uniquely created Sky Effect System™. The Sky Effect System is a special insole that possesses all of the characteristics of a normal Primigi insole as well as some unique features. They are flexible, lightweight, shock-absorbing, breathable and antibacterial.