Attire on a Majestic Princess cruise in 2026 follows a "Smart Casual" baseline with a few "Formal" highlights. During the day, the vibe is "Resort Wear": think breathable T-shirts, shorts, sundresses, and swimwear with a cover-up for poolside lounging. For the evening, most nights are smart casual, meaning men should pack chinos or dark jeans with a polo or button-down shirt, while women typically wear skirts, trousers, or midi-dresses. However, the Majestic Princess is known for its elegant atmosphere, and every 4–6 days, you will encounter a Formal Night. On these evenings, the dress code elevates significantly: men are encouraged to wear a dark suit or tuxedo, and women often opt for cocktail dresses or evening gowns. In 2026, specific high-end venues like "Chef’s Table Lumiere" and the "360: An Extraordinary Experience" strictly enforce these formal standards. It is also a high-value tip to pack a light sweater or pashmina, as the air conditioning in the theater and the grand "Piazza" can be quite chilly even when sailing through tropical climates like the Caribbean or Southeast Asia.