For a laid-back look, wear a short sleeve shirt and navy jeans — these pieces play really good together. Let your outfit coordination chops really shine by finishing off your look with a pair of brogue boots. Keep this getup ready to go when warmer days are here, and rest assured, you'll save a lot of time getting dressed on more than one morning. Casual ensembles for stylish gentlemen in their forties aren't actually that hard, as you can see here.