A versatile heeled sandal, the bianca mules from saint laurent is made from supple lambskin leather and is designed to be worn for both day-to-night styling. The round-toe silhouette features knotted straps that create a feminine appeal, while the high block heels offer support saint laurent bianca knotted mules in black lambskin leather. Material: Lambskin leather. Color: Black. Size: EU 35.5 US 5.5.