This is indisputable proof that a dark green shirt jacket and navy jeans are awesome when worn together in a street style ensemble. Rock a pair of white and black horizontal striped leather low top sneakers to give a sense of stylish effortlessness to your ensemble. When spring is in the air, you'll appreciate how great this ensemble is for weird transition weather. Now that's an ensemble that's guaranteed to make you stand out among other 30-year-old gentlemen.