You will not run into any problems with a shirt and tie or a shirt and jacket no tie.
The Oasis and Allure are getting farther away from formal all the time.
When we were on the Allure we saw a lot of people wearing resort casual or just dress casual. We didn't see any jeans or shorts or anything like that.
Dec. 13 - Windstar sailing yacht. Wonderful!!
Just completed - Celebrity Reflection, Nov. 22 (learning to sail solo) followed by Independence of the Seas Nov. 30.
Celebrity Constellation - March 17 followed by Celebrity Reflection - March 22 (done)
44 cruises - too many to list however cruiselines are in no particular order:
and some unknown tub
Yes, I'm a Royal Chump and proud of it.