This off-duty combo of a brown parka and blue jeans is a surefire option when you need to look stylish in a flash. If you're puzzled as to how to finish off, complement this ensemble with a pair of low top sneakers. So as you can see here, it's a dapper, not to mention spring-friendly, combination to have in your seasonal rotation. Those wondering how to rock modern casual style well into your 30s, this ensemble should answer your question.