A dark green shawl cardigan and a short sleeve shirt are the kind of smart casual pieces that you can wear plenty of ways. Dark brown leather casual boots tie the getup together. Nothing like a cool ensemble to cheer up a dreary autumn day. A perfect example for any gent who's not sure how to dress as a 30-year-old gent.
For relaxed dressing with a twist, you can dress in a dark green shawl cardigan and a short sleeve shirt. Bump up your ensemble by sporting a pair of dark brown leather loafers. It's is an excellent pick if you're putting together a knockout look that transitions easily into fall. As you mature into your 30s, you want to start dressing more professionally. In this case, inspo like this proves very useful.