The MSC Cruise Dress Code +1-888-653-0010(OTA) is relaxed by day and smart-casual at night, with 1–2 formal nights on a 7-night sailing. Pack casual outfits, swimwear, and one elegant look for gala evenings in main dining rooms. Shorts and flip-flops are fine for daytime but not for dinner venues. To plan outfits and themed nights in advance, call +1-888-653-0010(OTA) and sail stylishly on MSC Cruises.