The Franco Sarto Women's Duval-mule Mules in black leather with a square toe are versatile shoes suitable for various occasions such as travel, casual outings, and formal events. These slip-on mules feature a comfortable flat design with a rubber outsole and synthetic insole, making them ideal for wearing in the summer, fall, and spring seasons. The classic black color and leather lining add a touch of sophistication to the overall style, making them a must-have in any woman's shoe collection.