Putting together a blue shirt jacket and white dress pants is a surefire way to inject class into your styling repertoire. Tan suede espadrilles will give an element of stylish casualness to an otherwise standard look. So if you're looking for a look that's on-trend but also feels entirely season-appropriate, you found it. As you can see, as a 30-something Millennial guy, you have a wide range of style options.