From the Gia x Pernille Collaboration. Crafted of rich leather with a modern padded finish, these mules embody a minimalist athletic charm. Leather upper Open square toe Slip-on style Adjustable grip-tape straps Leather lining Leather sole Made in Italy SIZE Self-covered stacked heel, 3.25" (80mm). Women's Shoes - Workshop Shoes > Saks Fifth Avenue > Barneys. Gia Borghini. Color: Black. Size: 9.5.