Mens Navy Blue Wedding Tuxedo. Dark Blue Tuxedo Suit. Wedding Suit. Prom Suit. Pants is included. 2 Button Closure. This is the perfect blend of classic and modern. It's a 5 button mandarin collar, or banded collar as some call it. It can be worn as a tuxedo or as a suit. It features a banded collar, 5 covered buttons, and a traditional single pleat pant.