Not too long ago, short-sleeved shirts were ill-fitting tops, often with ridiculous patterns, that no reasonably employed person would wear to a place of business. If you remember stapler-obsessed Milton in Office Space, you know what we mean. Today the shirt is shedding this bad rap, as designers make them with narrower cuts and more-tailored sleeves (cut above the elbow, thanks), in clean, fashionable styles. "The short-sleeve doesn't have to be a vacation shirt," says Frank Muytjens, head of men's design at J.Crew. "Get one in a traditional pattern and it's definitely work appropriate — it's just a dress shirt that happens to have short sleeves."