Combining a dark brown overcoat and a turtleneck will be a true reflection of your skills in men's fashion. When it comes to footwear, go for something on the smarter end of the spectrum and complete your outfit with a pair of dark purple leather oxford shoes. So as you can see, it's a neat, not to mention spring-friendly, combo to have in your transitional sartorial arsenal. As you're moving from your 20s to your 30s, you want to start dressing with more elegance. In this case, inspiration like this comes in very useful.