The Ganni Studs ankle boots have a polyurethane, polyester, cotton upper. Details include round toe. Made in Portugal. Shop the latest Ganni Flat Boots for women, including the Studs ankle boots in black. Material: Upper: 64% Polyurethane, 23% Polyester, 13% Cotton, (faux leather), Sole: Rubber. Pattern: Embellished. Color: Black. Gender: Womens. Style No: P01043464