A trenchcoat and a white turtleneck make for the perfect base for a ton of casually sleek getups. Finishing off with a pair of tobacco suede dress boots is a guaranteed way to introduce a little classiness to your look. Can you see how extremely easy it is to look seriously stylish and stay cozy when cooler days are here, all thanks to looks like this? Perfect if you're scouting for some seriously inspiring style for 30-year-old guys.