- Jimmy Choo 23 new thick-heeled boots are fashionable and exquisite, elegant and low-key. The neat shoe shape is equipped with a modern square toe and a slim Cuban heel. The heel is decorated with a golden JC seal. It is elegant and eye-catching. It is versatile and high-quality. Upper: calfskin lining: dyed through Cowhide heel height: 9.5cm Sole: Italian genuine leather Outsole Size: 35-39 (40 is custom-made and cannot be returned or exchanged),