A white crew-neck t-shirt and a brown track suit are the ideal way to introduce effortless cool into your casual rotation. And if you need to immediately smarten up your getup with footwear, why not add brown suede loafers to the equation? As you can see, it's extremely easy to look awesome and stay warm when chillier weather comes, all thanks to looks like this one. Like this idea for your styling repertoire as a guy in his 30s?