This outfit with a navy trenchcoat and a long sleeve t-shirt isn't hard to pull off and is open to more sartorial experimentation. Consider dark brown suede desert boots as the glue that will pull this outfit together. And if you're looking for a neat getup that will take you from winter to spring, this one fits the bill. Wondering how your routine should look as you move into your 30s? This ensemble is the perfect answer.