Heels by Head Over Heels by Dune, Is that you, weekend?, Ankle-strap fastening, Open toe, Block heel. Defining their customer through attitude rather than age, Dune's in-house design team put their own stamp on trends with sculptural shapes and embellished finishes. Diffusion line Head Over Heels introduces hot off-the-catwalk styles think sandals, court shoes and ballet pumps - straight to your wardrobe, too.