Heels by Dune, Textured upper, Ankle-strap fastening, Open toe design, High stiletto heel, Wipe with a soft cloth, Heel height: 8cm/3. ABOUT DUNE Defining their customer through attitude rather than age, Dune's in-house design team look to fashion capitals for originality and detail. Luxe finishes meet sculptural shapes across a range of heeled shoes, embellished ballet flats and dawn-to-dark bags.