From Dr. Martens, the Women's Mattison 2 Strap Platform Sandals feature: Athena upper: a smooth PU coated leather with matte finish Ankle straps with two adjustable buckle closure Classic Docs DNA including visible yellow stitching and grooved sides Suede-covered foam footbed Comfortable EVA midsole Cemented - the sole is cemented to the upper, a durable and flexible construction for all day comfort Exaggerated PVC tread that extends up the side walls to create a jagged pattern Rubber outsole Approx. 2.5" platform height Approx. 3" heel height Imported.