Sandals by Head Over Heels by Dune, Add-to-bag potential: considerable, Ankle-strap fastening, Open toe, Woven midsole, 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.