Source google image: https://www.mcom-moto.com/uploads/cache/mcm_product_show_big/casque-airborn-ab38-drapeau-anglais-39c26.jpeg
Casque moto union jack
Source google image: https://www.mcom-moto.com/uploads/cache/mcm_product_show_big/casque-airborn-ab38-drapeau-anglais-39c26.jpeg