These appear to be the Royals' City Connect hats

Fountains of Reign: Kansas City Royals Unveil New City Connect Uniform – SportsLogos.Net News

Ranking MLB's City Connect uniforms - ESPN

New Era Kansas City Royals 2022 City Connect 9Fifty Snapback Hat

Houston Astros City Connect Uniform Sales Numbers Out of This World – SportsLogos.Net News

Kansas City Royals New Era 2022 City Connect 59FIFTY Fitted Hat - Navy

2023 Kansas City Royals City Connect New Era 39THIRTY MLB Stretch Flex Cap Hat

Kansas City Royals CITY CONNECT ONFIELD Hat by New Era

Kansas City Royals New Era 1985 World Series Patch Red Undervisor 59FIFTY Fitted Hat - White

MORE