This off-duty combination of a grey windbreaker and a long sleeve shirt comes to rescue when you need to look stylish but have zero time to plan out an ensemble. Feeling brave? Change things up a bit by finishing off with a pair of dark green canvas low top sneakers. So as you can see, it's very easy to look dapper and stay snug when cooler days are here, all thanks to ensembles like this. Gentlemen wondering how to wear cool off-duty style as you move through your teens, you have your answer.