In general, if you are tall, you should not wear small hats and vice versa. This is true to some extent, but the most important aspect is the confidence your hat gives you.
You may also be interested in exploring our other guides and collections tailored to different needs and face shapes, including, Hats for Square Face Shapes, Hats for Slimmer Frames, Hats for Round Face Shapes, Hats for Long Face Shapes, Hats for Oval Face Shapes, Hats for Heart Face Shapes, and our helpful Hat Sizing guide.