These are authentic CHRISTIAN LOUBOUTIN Nappa So Kate 100 Pumps 37.5 in Black. These pair of pumps are crafted of black smooth leather. They feature a striking pointed toe with a stiletto heel 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.