Kate Spade Size Guide. The Kate Spade New York™ Norella flats make the transition from work to play so you can experience flirty glamour all day long! Patent leather upper with a generous dose of glitter. Slip-on style. Jeweled buckle detail. Round toe. Leather lining. Lightly padded leather insole. Leather sole with rubber heel tap. Made in Italy and imported. Measurements: Heel Height: 5 ⁄ 8 in. Weight: 6 oz.