The formula for a cool and stylish outfit? A puffer jacket with black chinos. And if you wish to easily dial down your getup with footwear, why not add a pair of high top sneakers to this look? So when summer is over and fall is setting in, this getup has a good chance of becoming your most worn. Gents who wonder how to sport edgy casual style as you go through your teenage years, this combination should answer your question.