The primary physical difference between a tuxedo and a suit is the presence of satin. Traditionally tuxedos have satin facing on the lapels, buttons, pocket trim, and a satin side stripe down the leg of the trousers. read more
Tuxedos and suits have different functions. While a suit is more of a conservative affair, and mostly worn at work during the day, a tuxedo is more for semi-formal evening events. Tuxedos tend to be more flamboyant affairs, what with a satin lapel and satin stripes running down the outside legs of the pants. read more