The brim length of a cap varies depending on the style and design. The following is a common range of brim lengths:
Ordinary cap: The brim length is usually between 7cm and 15cm.
Wide-brim cap: Some designs focus more on sun protection or modifying the face shape, and the brim length can reach about 20cm.
Specific brands or styles: For example, the brim length of a CHANEL cap is 7cm, while the brim of some sporty caps may be wider.
Summary: The brim length of a cap is generally between 7cm and 20cm, and the specific length depends on the style and functional requirements.