07 gray city camouflage. Upon inquiry, 07 Grey City camouflage uniform refers to a camouflage uniform used by China People's Liberation Army. The clothes worn by the instructor are 07 gray city camouflage uniforms. It is a monochrome camouflage suit designed according to 07 camouflage pattern, which is composed of gray and black, and is suitable for hidden protection in cities, mountains and other environments. This kind of clothing has advanced materials and manufacturing technology, which is suitable for the development of the PLA's modern combat effectiveness and is one of the training uniforms of the PLA's regular troops.