A three piece suit and a light blue dress shirt are absolute mainstays if you're figuring out a classy wardrobe that holds to the highest men's fashion standards. And if you wish to easily dress down your ensemble with a pair of shoes, why not introduce a pair of brown derby shoes to the equation? As the weather starts to improve, it's time to get rid of those bulky winter gear and opt for something lighter, like this ensemble here. Wondering what you should wear as you step into your 40s? This ensemble is the perfect answer.