Boots by Head Over Heels by Dune, Velvet upper, Side-zip fastening, Pull tab, Round toe, High block heel, Wipe with a soft cloth, 100% Textile Upper, Heel height 8cm/3. 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-runway styles - think sandals, pumps and ballet flats - straight to your wardrobe, too.