A modern guy's classy collection should always include such essentials as a navy suit and a light blue dress shirt. As for the shoes, you could go down a more casual route with a pair of dark brown suede derby shoes. This ensemble illustrates how men over 30 wow in the style department.
Navy Suit with Dark Brown Suede Derby Shoes Outfits In Their 30s
Go for a navy suit and a navy print long sleeve shirt for incredibly classic attire. Why not complete this ensemble with a pair of dark brown suede derby shoes for an extra dose of style? In your thirties, you want to start dressing with more refinement. That's when inspiration like this is very useful.
Pair a navy suit with a white dress shirt to have all eyes on you. Add dark brown suede derby shoes to give a hint of stylish nonchalance to your look. So as you can see, as a 30-something Millennial guy, you have a vast array of sartorial options.