Men's Vance Co. Ozzy Dress Oxfords Introducing the Ozzy derby by Vance Co. These classic shoes are made with high-quality vegan leather, offering a professional and timeless style. With a comfortable 12 mm Tru Comfort Foam™ insole and a lace-up design, they provide all-day comfort and a secure fit. The 1-inch block heel, round-toe shape, and wingtip detailing add a touch of sophistication to the Ozzy derby, making it a versatile and stylish choice