Go for something comfortable yet modern in a crew-neck sweater and a blue long sleeve shirt. A pair of dark brown leather driving shoes looks awesome here. This ensemble demonstrates how 30-something Millennial guys succeed in the fashion department.
Blue Long Sleeve Shirt with Crew-neck Sweater Casual Chill Weather Outfits For Men In Their 30s
If you don't take fashion too seriously, go for a casual menswear style in a crew-neck sweater and a blue long sleeve shirt. Men who wonder how to dress stylishly after thirty, you have your answer.