2. Doesn't mean you have to wear boys' clothes. Actually, it's just a neutral design. Buying a loose white shirt of your own size is the same style as rolling up jeans, and you don't have to wear it all over. Adding any BF element can also conform to this trend, and it has the advantage of shielding a little physical defects ~
It is usually suitable for young people in their teens to twenties, but many people keep it well, so as long as they are full of vigor and vitality, they will conform to this style. Many mother-level girls (including many girls with foreign mothers-in-law) wear simple BF white shirts, jeans+high ponytails or neat short hair, which are also very energetic and beautiful.