From Dr. Martens, the Women's Spence Sendel Chelsea Block Heel Booties feature: Semi-Aniline upper: A natural-looking Nappa leather features a smooth full-grain finish Slip on design with side goring for easy on-and-off Signature Dr. Martens heel loop Classic Dr. Martens yellow stitching details Goodyear-welted lines are heat-sealed and reinforced with our signature welt stitch Flared heel with grooved rubber outsole Approx. 6" shaft height Approx. 9" standard calf circumference Approx. 3.5" block heel height Imported.