Alden Men's 9071 - Cap Toe Bal Oxford - Black Shell Cordovan. Size 11 CE. Fabulous condition! Only worn twice. Classic Custom Bootmaker Edition balmoral cap toe shell cordovan. Alden shell cordovan shoes are finished by Alden's master craftsman. They are admired by the finest boot and shoemakers throughout the world. Using the centuries-old method of pure vegetable tanning and hand finishing, the single tannery still producing genuine shell cordovan today is indeed practicing a rare art. The tanning process takes a full six months to complete and produces leather that is soft and supple, yet very durable.