Formal evening wear for men, often required at upscale events, typically comprises a specific ensemble. This outfit includes a black dinner jacket, usually single-breasted with peaked lapels or a shawl collar. Trousers are black, matching the jacket, and feature a satin stripe down the side. A white dress shirt, bow tie (traditionally black), and black dress shoes complete the look. Cummerbunds or waistcoats are optional but can enhance the formality.
Adhering to the expected dress code signals respect for the hosts and the occasion. The conventional style has historical roots in the 19th century and remains a standard for sophisticated events. A well-executed formal appearance demonstrates attention to detail and contributes to the overall ambiance of the gathering.