Consider pairing a navy pea coat with navy chinos if you wish to look dapper without much effort. If you're wondering how to round off, complement this ensemble with a pair of dark brown leather casual boots. As you can see here, it's very easy to look on-trend and stay warm when cooler weather hits, thanks to this outfit. Wondering how your wardrobe should look as you go through your 20s? This ensemble is a wonderful example.