This is a traditional Chinese Buddhist costume called the "Shaolin Monk Robe," which consists of a gray robe and black pants.
The design of this costume is inspired by ancient Chinese martial arts culture, especially the Shaolin Temple's martial arts tradition.
The color of the robe is gray, symbolizing the wisdom and tranquility of Buddhism.
The color of the pants is black, representing the determination and resolve of Shaolin monks during their practice.
The overall design of the set is simple yet elegant, showcasing the charm and spiritual essence of Chinese traditional culture.