This Harry Potter photo contains
business suit.
There might also be
suit, suit of clothes, dress suit, full dress, tailcoat, tail coat, tails, white tie, and white tie and tails.
By grable42. Character study of:
Harry, Hermione, Ron, Neville, Dumbledore, Draco, Luna, Snape, Ginny, Sirius, Voldemort, Tonks, Mcgonnagall, Bellatrix, the Twins, and Lupin...