I think it is really important to have a sense of business. As a designer you can get so wrapped up in the design and fashion side that you forget the business side.
Tommy HilfigerMy rule of thumb is to strike a balance by sticking to the classics and playing with color, texture, and print to give them a modern update. On any given day, I keep it simple with jeans or chinos and a comfortable dress shirt.
Tommy Hilfiger