For a look that's extremely easy but can be modified in a variety of different ways, consider teaming a white crew-neck t-shirt with navy jeans. Here's how to bring an added dose of refinement to this ensemble: black suede oxford shoes. As warmer days set in, it's time for light and breezy looks like this one. This pairing demonstrates that cracking the fashion code as a 30-year-old gentleman is not that hard.
If you're hunting for a city casual yet dapper look, try teaming a white crew-neck t-shirt with navy jeans. On the shoe front, go for something on the more elegant end of the spectrum and complement this ensemble with a pair of dark brown leather monks. This outfit is also ideal if you're searching for summertime wear to get through a boring day. This ensemble proves that figuring out fashion as a 30-something Millennial gent is quite manageable.