You can look casually dapper without really trying in a polo and charcoal jeans. Black suede tassel loafers will breathe a touch of sophistication into an otherwise too-common look. Come summer you want to feel comfortable and stylish –– this look is just the one you need. This one is a modern yet mature ensemble for a 30-something guy.
Go for a polo and charcoal jeans to demonstrate you've got expert menswear prowess. Amp up the formality of your outfit a bit with dark brown leather derby shoes. There are a multitude of ways to look neat and live through the baking hot weather, and that's one of them. A great example for any man who wonders how to dress as a 30-something Millennial gent.
Pair a polo with charcoal jeans to achieve an interesting and casual outfit. For something more on the daring side to round off this look, complete this ensemble with a pair of grey athletic shoes. Stick with this one if you're on a mission for a standout warm weather outfit. Wondering how to nail casual outfits as you step into your 30s? This combination is a vivid example.