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A tuxedo (American English), or dinner jacket (British English), is a semi-formal two or three piece suit for evening wear, distinguished primarily by satin or grosgrain jacket's lapels, and similar stripes along the outseam of the trousers.
As traditionally prescribed ever since the 20th century by the informal Western dress code, also known as "black tie", the suit is typically black, midnight blue or white, worn with a white dress shirt with standing or turnover collar and link cuffs, black bowtie, black waist coat, black patent leather dress shoes, and other accessories. The correct hat would...