Description:Summer Series Cotton Caps are made with lightweight cotton twill cloth, reinforced with metal eyelets for durability and finished with our signature green satin undervisor and leather strap. Product Details: Genuine royal blue cotton twill Felt "Royals" patch Standard visor with green cotton under visor Metal eyelets Satin taping with cotton sweatband Imported League: Canadian-American League History: Following a hiatus during World War II, the Foxes of Trois-Rivières returned to the field as the Trois-Rivières Royals, and affiliate of the Brooklyn Dodgers. They played games at Municipal Field.