Product details : Our SARTORE riding boot in calfskin. Back zip, stacked heel and Blake-stitched leather sole. Available in black, dark brown, cognac and navy leather. Heel : 3.5cm Material : Parma Shaft height and circumference : Size 35 = Height 39,5 cm — Circumference 33,5 cm Size 35,5 = Height 39,5 cm —Circumference 34 cm Size 36 = Height 40 cm —Circumference 34,5 cm Size 36,5 = Height 40 cm —Circumference 35 cm Size 37 = Height 40,5 cm —Circumference 35,5 cm Size 37,5 = Height 40,5 cm —Circumference 36 cm Size 38 = Height 41 cm —Circumference 36,5 cm Size 38,5 = Height 41 cm —Circumference 37 cm Size 39 = Height 41,5 cm —Circumference 37,5 cm Size 39,5 = Height 41,5 cm —Circumference 38 cm Size 40 = Height 42 cm —Circumference 38,5 cm Size 41 = Height 42,5 cm —Circumference 39,5 cm Please note that these measurements are for reference only and may vary slightly.