A grey plaid blazer looks so great when paired with a white crew-neck t-shirt in an off-duty look. A good pair of brown leather loafers is an easy way to bring an element of class to your outfit. There's no nicer way to spice up a gloomy fall day than a neat outfit like this one. As a 30-something Millennial man, you probably want to start dressing like an adult man. That's when getups like this are a life saver.