As you can see here, looking effortlessly neat doesn't require that much effort. Wear a field jacket and a navy polo neck sweater and be sure you'll look incredibly stylish. White canvas low top sneakers are an easy way to inject a hint of stylish effortlessness into your outfit. So if you're looking for an outfit that's sharp but also feels totally season-appropriate, you found it. As a 30-something, you probably want to start dressing like an adult. In this case, looks like this are perfect as inspiration.