Reiss derby shoes. Cassidy in luxurious mud patent is a flat androgynous shoe with a high gloss finish. This slip-on style sports a stylish v-front and substantial heel and sole adding to the contemporary aesthetic of this classic design. With curve-enhancing seam and toe cap detail, this mannish style is offered a feminine touch. SIZE & FIT: Heel height : 2cm. CARE & FABRIC: Washcare : Wipe Clean Only. Composition : 100% Cow Leather. Lining composition : 100% kid leather.