Try these knee high boots on for size. With a flexible calf and countless tough-to-find sizes, you'll love their Beautiful Fit. Comfortable, all day block heel boots for women with wraparound strap and buckle detail. Synthetic upper with polyester upper lining and almond toe. Side zip closure and side/back elastic goring for extra flexibility. All-Thru Comfort: soft foam lining, arch support with memory foam, sock lining, lightweight and flexible outsole. 0.25-inch platform, 2.5-inch block heel. 14.76-inch boot height; 14.33-inch calf circumference. Note: Measurements based on size 6M boot. For each half size larger, shaft height increases by 0.12 inches, circumference by 0.20 inches. Forever elegant silhouettes with all day wearability, available in an inclusive range of sizes and widths. Designed to the contours of a woman's foot. The Beautiful Fit. Since 1927.