A leather slip-on sneaker with a major following. The Double Decker is a crowd favorite for a number of reasons: It’s super-flattering on the foot, has cushiony insoles for all-day everyday wear, and is an effortless outfit maker. An easy pairing with nearly everything in your closet—leggings, denim and even dresses—this leather slip-on is sure to become part of your go-to rotation, no matter the season.