A burgundy short sleeve shirt and blue jeans have become veritable closet items for most guys. Black embroidered velvet loafers are a surefire way to infuse a sense of polish into this look. As you can see here, it's extremely easy to look amazing and stay comfortable when chillier weather hits, thanks to this outfit. This combo should erase any doubts you had about dressing casually as a gentleman in his 30s.