Place the file in Documents/My Games/XCOM2/XCOMGame/CharacterPool/Importable

These were made with the Anarchy's Children and Resistance Warrior DLC, plus the following mods (some necessary some not): Additional Tattoos & Facepaints; Full Character Customization; Capnhubs Accessory Pack; Custom Face Paints; Military Camouflage Patterns; and Ink and Paint.