The tuxedo is a man's dress suit of clothes in the semi-formal, black tie evening dress convention. A traditional tuxedo jacket is woolen and single-breasted. The jacket has peaked, shawl, notch, or trick lapels (which includes Mandarin and other non-conventional styles), traditionally covered with satin, and more modern styles are trimmed in grosgrain or wool. The buttons should be satin-covered. Trousers should be in the same wool as the jacket, with the side seams decorated in an inch-wide s… (More on Tuxedo)