Level up your closet with a tall boot. Sylvia is a knockout silhouette complete with a sleek pointed toe and luxe leather upper. Just add slim pants or a sleek dress for an instantly polished look.. Heel Height: 2.8 inches. Toe: Pointed Toe. Closure: Zipper. Measurements based on size 6 boot. For each half size larger, shaft height increases by .12 inches, circumference by .10 inches.. Boot Shaft: 15.7 inches. Calf Circumference: 14.1 inches. Material: Leather & Synthetic . Insole: Synthetic.