Cap lovers who care about the proportionality tend to focus on the depth of the crown, alignment of the panels, and the correct systems of sizing applied by fabricators. In discussions on structure, custom fitted caps (https://www.capscompany.co.uk/fitted-caps) are characterized by a closed back design and a custom fit shape, which closely conforms to the shape of the head. Including fabric stretch, the comfort of sweatbands, and resistance to long-term wear, makes people realise the importance of consistency in the way a fit is.