The Arcopedico "Light" is orthopedically designed sole rationally distributes your body weight through the tissues, muscles and bones of your feet. Making it comfortable all day long. 100% nylon knitted upper allows good breathability and a molded fit that helps promote circulation. Cork and boarskin insole helps to insulate your foot from the heat and cold of the ground. Lightweight PU sole designed with twin arch supports. Elasticized top-line for a snug fit. Light is designed on a wedge heel that is a little higher than the New Sec. Both shoes are machine washable (cool water gentle cycle & air dry) Everything that goes into these shoes contributes to a perfect accommodation for your feet. From the fabric around your feet to the design and materials chosen.