trademark reservation on p>flexfit baseball caps. According to the relevant public information, the trademark on the Flexfit baseball cap is authorized to use, so the right to retain the trademark belongs to the Flexfit brand, and users need to abide by the relevant trademark authorization agreements and regulations. Flexfit is a brand specializing in the production of hats, and its brand trademark has been registered in many countries and regions, such as the United States, Europe, China and so on.