This great 4 piece out can be mixed and matched.  The long sleeve shirt or polo with the pants for less formal evets and then just add the black blazer for the more formal events.  Size 7 black, 2 button black blazer by Cat & Jack, made of polyester and rayon, fully lined 2 front slit pockets and a lapel pocket (not yet opened, slit at center of back for more flexabiility.  Grey dress pants, size 6, elasticized back wait band, belt loops, fly zipper, flat front.  1 royal blue collared, short sleeve polo by Children's Place and 1 long sleeve plaid shirt by Abercrombie and Fitch.  All pieces are in excellent condition.