Choose a white wool turtleneck and charcoal wool chinos for a casual kind of class. You can get a bit experimental with footwear and polish up your ensemble by slipping into a pair of dark brown leather casual boots. So so as you can see, it's an on-trend, not to mention spring-friendly, getup to keep in your transitional rotation. So if you need outfit inspiration for dressing as you turn 30, this ensemble is a great example.