Try pairing a trenchcoat with a tank to assemble an interesting and modern-looking laid-back outfit. Complete your look with a pair of brown suede casual boots and ta-da: your look is complete. This is a look you, as a 30-something guy, can always count on.
For a never-failing laid-back option, you can't go wrong with this pairing of a trenchcoat and a tank. For times when this ensemble is just too much, play it down by sporting a pair of black and white canvas high top sneakers. A no-brainer pairing proper for guys in their 30s who like casual dressing.
This combo of a trenchcoat and a tank epitomizes casual cool and stylish functionality. For a more laid-back aesthetic, complement this getup with navy and white canvas low top sneakers. Gentlemen who are curious how to wear cool casual style as you head into your 30s, this combo should answer your question.