My husband is not a formal guy. Doesn't own a sport coat or dinner jacket. Can you rent one onboard?

Yes. With your pre-cruise information packet there will be an order form. You decide what you want, give them the measurements, and it will be waiting in your cabin for you.

Hi Laura, welcome to Cruise-Chat. Congratulations on your up-coming cruise. Make sure you have your pictures taken on formal night. They do such a fantastic job on board. You don't have to buy them, but formal night makes a great souvineer and remembrance. Just wanted to welcome you aboard and wish you a great cruise!