This street style combination of a dark brown crew-neck t-shirt and olive sports shorts can take on different nuances depending on the way you style it out. Slip-on sneakers are the most effective way to bring an extra dose of style to your outfit. There's no better way to brighten up a bleak fall day than a dapper ensemble like this one. Those who are curious how to dress well as you pass the big four-oh, you have your answer.