Women's knee high boot with trusted Soft System comfort technology for unmatched cushion, support, and flexibility in every pair 15 1/4 inch boot height, 14 1/2 inch calf circumference Note: Measurements based on size 6 boot. For each half size larger, shaft height increases by .12 in, circumference by .20 in. Just Right Height 2 3/8 inch heel Faux leather upper with an almond toe, side zip, and wraparound strap with metallic grommet detailing