Elevate your summer style with Balenciaga's City Mule in black Arena lambskin. These slip-on sandals feature a round toe, a 5mm arch, and silver studs and buckles for an edgy touch. The insole and sole are made of lambskin and calfskin respectively, ensuring comfort and quality. Upper: lambskin - Sole: calfskin - Insole: lambskin. Made in Italy.