Christian Dior x Roger Vivier Limited Patent Tech Mule.  black patent pump with neoprene tech detail, neon green topstitch, and 55mm high heel. 

Marked size - 40 but estimated to run small due to tapered toe box and estimated to fit like 9.

Brand new unworn.  Shoes may have been tried on our high traffic retail store floors between time of photography and purchase.  Includes dusters.