Mens Formal Attire Examples:
Suits in dark shades like black, navy, or charcoal (khakis are fine). Ties are mandatory, typically in solid colors or subtle patterns. Polished leather shoes, and accessories like cufflinks and pocket squares might be expected (shoes is whatever floats the boat and keeps you comfortable)
Ladies Formal Attire Examples:
An evening gown, evening dress or gown is a long dress usually worn at formal occasions. The drop ranges from ballerina (mid-calf to just above the ankles), tea (above the ankles), to full-length. Such gowns are typically worn with evening gloves. (gloves are totally optional)