1) Ball togs 2) Formal wear 3) Frequent astaire wear 4) Garb for groomsmen 5) Inaugural ball wear 6) Opening night wear 7) Prom duds for guys 8) Prom rentals 9) Rentable wedding attire 10) Some prom attire 11) They often come with vests Found on https://www.crosswordclues.com/clue/tuxes