Putting together a navy puffer jacket and navy chinos is a surefire way to infuse rugged sophistication into your daily routine. On the shoe front, go for something on the smarter end of the spectrum by sporting a pair of dark brown leather oxford shoes. This outfit is a viable idea if you're looking for a knockout summer-to-fall look. If you're working your way through your mid-20s, pay attention to getups like this to add more maturity to your style.