For a look that's extremely easy but can be smartened up or dressed down in plenty of different ways, pair a blue trenchcoat with grey chinos. Send an otherwise traditional ensemble a sportier path by slipping into a pair of blue low top sneakers. When leaves change color and fall sets in, you'll appreciate how great this look is for summer-to-fall weather. If you want people to see maturity in you as a 20-something, an ensemble like this is what you're looking for.