A tan trenchcoat and charcoal dress pants are certainly worth being on your list of veritable menswear staples. To give your overall ensemble a more laid-back twist, why not introduce a pair of dark brown leather brogues to your getup? A good illustration of transeasonal fashion, this getup is a must-have come warmer days. As a 30-something guy, you want to start dressing with more elegance. If that's the case, getups like this are ideal as inspiration.