If you know the dress code allows, pick a well-fitted (usually slim) t-shirt in a solid color and minimal design (no pocket, for instance). Pair it with tailored trousers or chinos for a more ...

There's so much going on in the white-T-shirt world right now that the biggest ... Martin Hoops, our contributing design director, says, "Gap's white tee is perfectly relaxed—not too boxy ...