Although many of the major retailers have left Chicago's central Loop district, the city still offers abundant and varied shopping outlets. Today its premier shopping area is the "Magnificent Mile" on North Michigan Avenue, stretching north of the Chicago River to Oak Street. Its multi-story shopping complexes boast such top-notch department stores as Saks Fifth Avenue, Neiman-Marcus, Lord & Taylor, and Marshall Field's, as well as upscale retailers including Louis Vuitton, Tiffany, Cartier, Brooks Brothers, and Gucci. Further north is the Armitage-Halsted-Webster shopping area. In contrast to the exclusive shops found in these shopping districts, Chicago is also the home of the world's largest wholesale