Kate Spade Size Guide. It's quite the exuberant statement you're making, with your fab outfit and Kate Spade New York™ Shelly heels, you know. Patent leather upper. Slip-on style. Round toe. Lightly padded leather insole. Covered chunky heel. Leather outsole. Made in Italy. Measurements: Heel Height: 2 3 ⁄ 4 in. Weight: 8 oz.