Aircraft pants are pants with abdomen as the shape, which can well modify the leg shape and hip shape. Barbie pants can be worn in daily life and sports. They are not only yoga pants when doing yoga in the gym, but also fashionable leggings, which match with long T-shirts, sweaters and long coats. Leggings, also called underpants. Leggings are pants designed to wear short skirts and miniskirts, prevent exposure and cultivate one's morality. Due to different lengths and materials, it can be divided into many types, which can be matched with formal attire in different ways.