Consider pairing a navy sweater vest with dark green dress pants and you're bound to turn every head in the proximity. Complement your outfit with dark brown suede oxford shoes to tie your full ensemble together. So as you can see, it's super easy to look awesome and stay snug when cooler weather comes, all thanks to getups like this. This one is a modern yet age-appropriate ensemble for a 30-year-old.
This pairing of a navy sweater vest and dark green dress pants is perfect for elegant occasions. To inject a more laid-back feel into your look, complete your ensemble with a pair of brown suede loafers. As you can see here, it's super easy to look sharp and stay snug when cooler weather arrives, thanks to this ensemble. This combination illustrates how gents in their 30s score in the style department.