Team a beige blazer with light blue jeans for comfort dressing with a contemporary spin. On the fence about how to round off this ensemble? Finish with a pair of dark brown leather tassel loafers to kick it up. When temps are falling and autumn is settling in, you'll appreciate how perfect this ensemble is for unpredictable fall weather. As you can see, as a 40-year-old guy, you have a wide range of styling options.