Try teaming a charcoal suit with a charcoal turtleneck for a proper classy getup. As for shoes, complete your look with black suede loafers. An outfit like this will help any 30-something man outshine his peers.
Charcoal Turtleneck with Charcoal Suit Dressy Warm Weather Outfits In Their 30s
This combo of a charcoal suit and a charcoal turtleneck is extra sharp and provides a clean and crisp look. This getup demonstrates that dressing cool as a 30-something man is not that hard.