If you're after a casual and at the same time stylish outfit, team a white and blue horizontal striped crew-neck t-shirt with black chinos. As for shoes, add a pair of black leather low top sneakers to your ensemble. This outfit is your answer to the question of what to wear after thirty.
The versatility of a white and blue horizontal striped crew-neck t-shirt and black chinos guarantees they'll always be on constant rotation in your closet. Black leather derby shoes are a guaranteed way to breathe a sense of sophistication into your look. As a 30-something Millennial gent, you want to start dressing more like a mature gentleman. That's when inspo like this comes in useful.