Authentic!!! Saint Laurent Opyum Patent Leather Sandals are a style of high-heeled sandals known for their sculptural YSL monogram heel. Details • Heel: The shoes feature a sculptural, metal "CASSANDRE" heel with the YSL logo. • Material: They are typically made from calf leather with a patent finish. • Heel Height: The heel height is approximately 4.3 inches. NWOT came from a TV production set. I don’t believe they were ever worn. No box . Excellent condition! These are a work of art great for displaying in an iconic closet!!!