If you’re in pretty decent shape (no beer gut or muffin top dominating your upper torso), the Calvin Klein Non-Iron Slim-Fit Dress Shirt could be right up your alley. Around $70 per shirt in-store, many online retailers now sell these form-fitting shirts at a very affordable $35-$40 each. Available in a multitude of colors, these durable shirts can take you from a night out with the boys to a date with the lady friend.