A blazer and navy jeans are the kind of casual staples that you can wear for years to come. When it comes to shoes, go for something on the casual end of the spectrum and complete your ensemble with a pair of navy slip-on sneakers. So as you can see, it's a kick-ass, not to mention spring-appropriate, look to keep in your transeasonal rotation. This ensemble demonstrates how to keep scoring in casual dressing as a 30-something Millennial man.