Introducing the Dune London HALLO. Our Own Take On A Signature Style Our Hallo Ballet Flats Boast A Feminine Bow That's Enhanced With Our Bespoke Charm Detailing. Designed With A Quilted Comfort Sole For Comfort With Every Step This Round-Toed Silhouette Pairs Perfectly With Everything From Denim To Dresses Alike. Material: Leather.