Is the round-collar robe worn by the Liao people considered a Han Chinese dress, or is it considered a Khitan dress?

The Liao people are Khitan people, both men and women's traditional clothing are mainly robes, the style is generally round neck, narrow sleeves, so it is considered Khitan clothing.

Men in robes with pants, waist belt, boots, a dress clean and sharp, coupled with the Khitan men scalping, more show the grassland herdsmen rugged and tough.