Lolita flats in black by Arcopedico features a double face spandex upper with extra compressed foam in a detailed techno-elastic construction that forms to the foot, utilizes Arcopedico's patented twin arch system that supports the arch of the foot for the life of the shoe, all-day cushioned comfort, flexible and lightweight, and a traction rubber sole. If the get dirty just toss them into the washer and let them air dry!