Blending style with comfort, the Naturalizer SOUL Naturalizer - Intro Flat Sandals are crafted using premium quality material. Nubuck or man-made upper. Soft foam lining and foam footbed. Pull-on flats with elasticized straps. Arch support with memory foam for utmost comfort. Blending style with comfort, the Naturalizer SOUL Naturalizer - Intro Flat Sandals are crafted using premium quality material. Nubuck or man-made upper. Soft foam lining and foam footbed. Pull-on flats with elasticized straps. Arch support with memory foam for utmost comfort. Round toe silhouette. Synthetic outsole with added traction.