Answer: tailcoats

AnswerCrossword Clue
TAILCOATSMen's formalwear
TAILCOATSThey're worn with top hats
TAILCOATSFormal men's evening attire
tailcoatsTAILCOAT, a man's coat
tailcoatsA man's formal morning or evening coat, with a long skirt divided at the back into tails and cut away in front