For a look that's refined and truly GQ-worthy, rock a tan suit with a dress shirt. When not sure about what to wear when it comes to shoes, go with a pair of tobacco leather oxford shoes. Can you see how extremely easy it is to look on-trend and stay toasty when chillier days are here, all thanks to combos like this? This ensemble illustrates that as a gentleman in his 30s, you have a vast array of outfit options.