World Cup 2022: Denmark to wear 'toned down' jerseys in protest at hosts Qatar - BBC Sport
Denmark to don protest jerseys at Qatar World Cup – DW – 09/29/2022
Denmark's New Jersey For FIFA World Cup 2022 Is A Mark Of Protest Against Host Qatar
Denmark to wear black jersey to protest against Qatar's Human Rights Record at the FIFA World Cup 2022
The making of a World Cup kit - Washington Post
We don't wish to be visible' - Hummel reveal Denmark 'protest' kits for Qatar 2022 World Cup - Eurosport