Kate Spade Size Guide. Attain maximum beauty with the glamorous, classic style of the Kate Spade New York™ Billie! Snake-embossed, leather, patent, satin or fabric upper, dependent upon color selected. Slip-on style. Peep toe. Leather lining. Lightly padded leather insole. Wrapped heel. Leather outsole. Made in Italy and imported. Measurements: Heel Height: 3 in. Weight: 8 oz. Platform Height: 1 ⁄ 2 in.