For an ensemble that's truly GQ-worthy, reach for a navy blazer and grey dress pants. Let your outfit coordination prowess really shine by rounding off this getup with a pair of black leather oxford shoes. When hot weather hits you want to feel cool and sharp –– this outfit is just the right one. As you're maturing from your 20s to your 30s, you want to start dressing in a classier manner. If that's the case, combinations like this are a real life saver.