A red crew-neck t-shirt and jeans are a nice combination worth having in your daily outfit choices. Take a classic approach with footwear and introduce burgundy leather brogues to the equation. A perfect example of transitional style, this look is perfect when spring comes. As a 30-something Millennial gentleman, you probably want to start dressing like a grown man. That's when combos like this are a surefire option.
To assemble a relaxed look with a twist, marry a red crew-neck t-shirt with jeans. For something more on the classier end to round off this look, introduce tan suede chelsea boots to this look. So if you're scouting for a neat winter-to-spring outfit, this one is great. As a 30-year-old gent, you probably want to start dressing more like a mature gentleman. In this case, inspiration like this comes in very useful.