If the occasion calls for an elegant yet cool look, reach for a trenchcoat and a blue long sleeve shirt. A pair of navy low top sneakers adds just the right amount of stylish effortlessness to this ensemble. As you can see, it's very easy to look awesome and stay comfy when cooler weather comes, all thanks to combos like this. This combination shows how to keep scoring in the casual style department as a 30-year-old gent.