This smart combination of a double breasted blazer and jeans is extremely easy to throw together without a second thought, helping you look awesome and prepared for anything without spending a ton of time going through your wardrobe. Black suede derby shoes will instantly smarten up even the most basic of combos. This look isn't a hard one to score and it's summer-friendly, which is important when it's roasting hot outside. Semi-casual combos for stylish adolescents aren't actually that hard.