Marrying a brown waistcoat and blue jeans is a surefire way to infuse your styling routine with some casual sophistication. Why not take a more elegant approach with footwear and introduce navy fringe leather loafers to the equation? No doubt, it's easier to work through a roasting hot hot weather afternoon in a easy and breezy ensemble like this one. Rest assured this getup is something you can totally wear as a 30-something guy.