A teal overcoat and jeans are the kind of a never-failing casual outfit that you need when you have no extra time. Feeling adventerous today? Break up your outfit by finishing off with brown athletic shoes. So as you can see, this getup is a really smart idea, especially for awkward fall weather, when the temps are starting to drop. This combo illustrates that as a gentleman in his twenties, you have a wide array of sartorial options.