This pairing of a black v-neck t-shirt and a black suit is undoubtedly a statement-maker. For something more on the sophisticated side to complete this outfit, add oxford shoes to the equation. Dress like this to create a more mature look as a 30-something Millennial gentleman.
Consider teaming a black v-neck t-shirt with a charcoal suit to pull together an interesting and modern-looking ensemble. You could perhaps get a bit experimental in the footwear department and add oxford shoes to the mix. As a man in his 30s, you probably want to start dressing with more sophistication. That's when combos like this are a tested option.