Château Flat Mule in black super soft calfskin is featured in several looks from the Balenciaga Fall 25 Collection. These flat mules have a round toe, a worn-out effect, and a high-frequency nano BB logo on the upper. They are made in Italy with a tone-on-tone sole and insole. The upper is made of calfskin, the sole is TPU, and the insole is lambskin.