Crinkle Metallic Leather : A synthetic material with a soft metallic finish, textured for added dazzle. • Retains classic Docs DNA: grooved edges, visible welt stitching and a scripted heel loop • Adjustable straps at the bottom of the legs • Constructed on the iconic and comfortable Dr. Martens air-cushioned sole • Upper: PU Coated Textile • Leather • Sole: 100%