A white and navy horizontal striped crew-neck t-shirt and navy chinos married together are the perfect outfit for those who love off-duty styles. Inject a dash of stylish nonchalance into your ensemble by slipping into a pair of grey athletic shoes. Seeing as it is getting colder every day, this ensemble seems a good pick for in between seasons. Those who wonder whether you can still rock cool off-duty outfits as you head into your 40s, you have your answer.