A blue shirt jacket and navy jeans are the kind of a winning casual combo that you so desperately need when you have no extra time to dress up. Black leather casual boots will pull the whole thing together. Keep this getup in mind come warmer weather, and we promise you'll save a ton of time crafting a look on more than one morning. If you want to project maturity as a 20-year-old gent, an ensemble like this is what you're looking for.