For an effortlessly classic menswear style, consider wearing an overcoat and navy chinos — these two items fit really cool together. And if you need to effortlessly spruce up your ensemble with a pair of shoes, why not complete this outfit with a pair of derby shoes? This outfit is a pretty good pick, especially for autumn, when the temperature is dipping. As you can see here this outfit is something you can totally wear as a 30-year-old man.