Aviators work very well with casual wear. Consider a pair of chinos and a button-down oxford. They also work well with most business attire that isn't too flashy or formal. In other words, a blazer or odd combination with a casual flair.
What is the purpose of aviators?
Developed as an alternative to the fur-lined goggles worn by pilots in the early 20th-Century – which simply didn't perform technically – aviator sunglasses became the perfect solution to protect a pilot's eyes against the elements, help to avoid headaches and to combat decreased visibility caused by the blinding glare ...
Can I pull off aviators?
While aviators are easy to pull off by nearly everyone, there are some do's and don'ts to make the most of your look. You don't want to throw off your style with an outfit that doesn't match your sunglasses.