This combo of a shirt jacket and a navy turtleneck is truly eye-catching, but it's extremely easy to copy too. When in doubt about the footwear, complement this ensemble with a pair of tobacco leather casual boots. With an ensemble like this in your winter sartorial arsenal, you'll manage to stay toasty and look stylish despite the cold weather. This combination shows that staying fashionable as you move into your 30s is quite manageable.