Why not try teaming a tan blazer with black skinny jeans? These two pieces are very comfortable and look awesome when worn together. As for the shoes, you could take a more classic route with a pair of beige suede loafers. No doubt, you're looking at a great choice for a roasting hot hot weather day. And if we're talking style for guys in their 30s, this look looks good on most gents.
For a laid-back and cool ensemble, choose a beige polo and black skinny jeans — these two items work really well together. Balance out this look with a classier kind of shoes, like this pair of beige suede loafers. You're guaranteed to always look nice even despite the unbearable heat if you have this ensemble as a last-minute grab. This outfit should erase any doubts you had about wearing casual clothes as a 30-something Millennial gent.
Wear a white vertical striped long sleeve shirt and black skinny jeans, if you want to dress for comfort without looking like a slob to look dapper. Not sure how to round off your outfit? Finish off with a pair of beige suede loafers to kick it up. This look is also ideal if you're looking for hot weather wear to make a boring day more bearable. Smarter combos like this look well on 30-year-olds.