What's the name of the black skirt Wing Chun is wearing?

Sportswear. Wing Chun is a kung fu film directed by Yuan Heping, starring Yang Ziqiong, Donnie Yen and Xu Shaoqiang. In this film, Wing Chun wears a black dress called a training suit. The film tells the legendary story of Yan Yongchun, the founder of Yongchun, who fought against mountain thieves several times, improved his martial arts and finally forced back the mountain thieves.