For specific listings of Michael Kors tuxedos for sale, I'd recommend checking online retail platforms like Amazon, Macy's, Nordstrom, or the official Michael Kors website. These platforms often have a wide selection of designer suits and tuxedos available for purchase, including those from Michael Kors. You can use search filters to narrow down your options by size, color, style, and price range to find the perfect tuxedo for your needs. Additionally, you might consider visiting local department stores or specialty menswear shops that carry designer brands like Michael Kors.