This is an authentic pair of CHRISTIAN LOUBOUTIN Calfskin Neoprene Studded Derby Oxfords size 41 in Black and Gunmetal. These oxfords are crafted of black embossed calfskin and feature a studded design. Follow this item for alerts. Christian Louboutin is a registered trademark of Christian Louboutin. FASHIONPHILE is not affiliated with Christian Louboutin.