Marrying a black nylon shirt jacket with navy ripped jeans is an on-point pick for a casual but sharp outfit. Go ahead and finish off with a pair of black leather derby shoes for a sense of sophistication. Keep this getup in your head when spring sets it, and we promise you'll save a ton of time brainstorming for an ensemble on more than one occasion. This combo demonstrates that as a 20-something guy, you have a wide range of outfit options.