Narrow face usually appearing with a oblong look. Their faces is longer than their width and looks thin. To complement the face, you can choose a pair of aviator sunglasses, squired sunglasses etc to make your face less long and thin. And you'd better avoid small round sunglasses that will make your face look narrow and long. In fact, you can try other types of sunglasses with wide lenses. But you shall remember that the sunglasses should not too wider than the widest part of your face. Anyway, you shall try yourself. Just go ahead.