For a casual outfit, try teaming a white dress shirt with grey sweatpants — these two items play pretty good together. Bring a laid-back touch to this getup by wearing charcoal athletic shoes. As you can see, it's very easy to look amazing and stay toasty when chillier days are here, all thanks to ensembles like this one. And if we're talking style for mature men, this combo is a good look on most.