This casual combo of an olive parka and navy jeans is a foolproof option when you need to look dapper but have zero time to dress up. If you want to effortlessly kick up your ensemble with shoes, why not introduce a pair of brown leather derby shoes to the equation? So if you're on a mission for an outfit that's on-trend but also entirely spring-ready, this one is great. Wondering how to master casual style as you step into your 30s? This pairing is the perfect answer.