Designed with a ballerina-inspired silhouette, 3.1 Phillip Lim's ID mules are crafted of smooth leather and styled with a bow detail. Square toe Slips on Leather upper Leather lining Rubber sole Dust bag Imported. Women's Shoes - Workshop Shoes > 3.1 Phillip Lim > Saks Fifth Avenue > Barneys. 3.1 Phillip Lim. Color: Black. Size: 5.