A style icon in its own right, our RESERVE stretch-back boot offers a block-heel take on our signature 5050 over-the-knee boot. Crafted from leather or suede, it features a micro stretch back that gives it its world-famous flawless fit and a 40-mm block heel that delivers style and comfort with every step. This silhouette is part of our iconic 5050 Collection. Heel height: 40 mm. Shaft height: 48 cm. Shaft circumference: 35 cm.