For a look that's pared-down but can be dressed up or down in a multitude of different ways, go for a white crew-neck t-shirt and black dress pants. Brown leather loafers are a simple way to give an added dose of class to your ensemble. When you're having one of those bleak fall days, sometimes only a kick-ass outfit like this one can get you to face the outside world. When it comes to style tips for adolescent guys, this ensemble is perfect.