What Should I Wear on a Cruise?

Shipboard dress is casual during the day. Shorts and tasteful T-shirts are acceptable even in the dining room. At dinner, dress codes will vary daily, among the following:

Casual: Slacks and sport shirt for men; slacks and blouse, sundress or pantsuit for women.

Informal: Jacket with or without tie for men; dress or pantsuit for women.

Formal: Dark suit or tuxedo for men; evening gown or cocktail dress for women.
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Most 3 and 4 night cruises have one formal night; most 7-night cruises have 2 formal nights; most 10-night cruises have 3 formal nights, and so on. In general, the longer and more expensive cruises will be the most formal on formal night, but a dark suit and tie is acceptable attire on even the most exclusive ships.