Not to worry, you don't have to be an international spy to rock this grungy staple that can toughen up your favorite dress or keep it cool in your signature black skinny jeans. With a removable studded strap the Double Agent is as versatile as your favorite jeans. Nubuck Leather Upper. Nylon Mesh Lining. Nylon Mesh Poliyou Die Cut Sock Liner. T3 Outsole. Welt Construction. Heel Height: Approx. 1'' Tall.