Pair a dress shirt with a black suit for a neat classy outfit. A pair of monks will bring a dressed-down feel to your ensemble. As you go into your 30s, you probably want to start dressing with more refinement. In this case, ensembles like this are a solid bet.
A dress shirt and khaki dress pants are absolute staples if you're piecing together a sophisticated closet that holds to the highest menswear standards. You could perhaps get a little creative when it comes to footwear and complete your look with monks. This outfit illustrates how guys over 30 succeed in the fashion department.
Loving the way this combo of a dress shirt and charcoal dress pants immediately makes a man look refined and dapper. As for the shoes, you could go down a more casual route with monks. This pairing proves that figuring out fashion over 30 is not particularly hard.
Channel your inner expert in modern men's style and try teaming a dress shirt with grey dress pants. Go off the beaten path and break up your ensemble by slipping into monks. This one is a nice and mature outfit for 30-something gentlemen.
For manly refinement with a modern spin, you can wear a dress shirt and khaki dress pants. Rounding off with a pair of monks is a fail-safe way to inject a more casual spin into your look. This combo is most probably what you've been looking for as a 30-year-old.