This laid-back combo of a grey raincoat and light blue jeans is a safe option when you need to look stylish in a flash. Introduce a pair of black leather derby shoes to the mix to instantly switch up the outfit. Keep this getup in your front hall closet when spring comes, and rest assured, you'll save a ton of time racking your brain for what to wear on more than one morning. This pairing illustrates that dressing cool as a guy in his 20s is quite manageable.