Demonstrate that nobody does semi-casual menswear quite like you do by opting for a suit and a white long sleeve t-shirt. And if you want to immediately tone down your outfit with one single piece, complement your ensemble with white leather low top sneakers. Like this style idea for a gentleman in his thirties?
Such staples as a suit and a white long sleeve t-shirt are the perfect way to introduce extra elegance into your casual lineup. Navy suede loafers will give a sense of class to an otherwise mostly casual outfit. As a 30-something, you probably want to start dressing like a grown-up. In this case, inspiration like this proves very useful.
So as you can see, looking dapper doesn't take that much effort. Consider wearing a suit and a white long sleeve t-shirt and be sure you'll look amazing. Not sure how to finish off? Complement your ensemble with a pair of grey horizontal striped canvas espadrilles to spice things up. A perfect illustration that dressing maturely doesn't mean dressing like a grandpa.