>>18461951 (OP)If the suit has texture, especially if it is in a light-weight fabric like seersucker, linen, or cotton, then absolutely, it can work. Make sure your clothes fit generally well before attempting such a statement piece, though. Boater hats are acceptable according to the dress code for the warmer months. Felt hats are for the cooler months, and those in-between warm and cool months. Try to abide by traditional hat etiquette if you could.