This combo of a blue suit and a navy turtleneck is a never-failing option when you need to look dapper but have no time to pick out an ensemble. Let your sartorial expertise really shine by finishing this ensemble with a pair of dark brown leather chelsea boots. Keep this outfit ready to go when spring arrives, and rest assured, you'll save time getting dressed on more than one morning. If you're going through your mid-20s, take cues from combinations like this to take a more adult direction in your personal style.