Dr. Comfort Flute Mary Jane Shoes Removable insole features a supportive polyurethane layer, gel pods in the forefoot and heel and polyethylene cushioning from heel to toe. Insole can be removed to accommodate your own orthotic. Hook-and-loop instep strap allows for easy adjustability, so you can customize the fit. EVA outsole feels lightweight for an easier walk. Leather upper offers a classic look, while the leather spandex upper stretches for a customized fit.