These are authentic CHRISTIAN LOUBOUTIN Patent So Kate 55 Pumps size 38.5 in Black. These striking pumps are crafted of glossy patent calfskin leather in black. They feature pointed toes, 2.25 inch wrapped stilettos, and the signature red lacquered soles. Follow this item for alerts. Christian Louboutin is a registered trademark of Christian Louboutin. FASHIONPHILE is not affiliated with Christian Louboutin.