Try pairing a black and white long sleeve shirt with white dress pants and you're guaranteed to make an entrance. Introduce a pair of loafers to the mix and you're all set looking incredible. As a gent in his thirties, you probably want to start dressing sharper. In this case, getups like this become a great source of inspiration.
This combo of a black and white long sleeve shirt and a brown plaid suit is undoubtedly a statement-maker. Balance this getup with a sleeker kind of shoes, like this pair of loafers. This ensemble is probably exactly what you're looking for as a 30-something Millennial gent.
Loving how this combination of a black and white long sleeve shirt and black dress pants immediately makes men look polished and stylish. A pair of loafers looks wonderful here. Rock this combo to create a more mature look as a 30-something gentleman.