Simply put, black-tie attire is typically reserved for formal evening events. Guests are required to choose floor-length gowns and suits or tuxedos when attending this type of celebration, as this is the most formal dress code after white-tie attire. Black-Tie Attire for Women: -Evening floor-length gowns -Ball gowns -Formal cocktail dresses -Elegant suits -Formal shoes -Elegant jewelry and accessories Black-Tie Attire for Men: -Tuxedos -Formal dinner suits -White dress shirts -Solid colored bow-ties or neckties (black is recommended) -Black shoes -Black socks -Cufflinks and shirt studs For a visual visit the Youtube video: https://youtu.be/jKyC0nXun0U?si=gCHSbQE-pJ_tT2qH