You'd better not wear it. Tights will hinder your development when your young body is developing. Even if you are thin, slimming clothes are tight, and you are thin, and you don't need tights to shape. Since it is loose, it can't help you shape. It's better to sleep in comfortable pajamas, which is better for your health. Pay more attention to wearing in the growth and development stage, which will have a lot of influence on the future growth and development, so we must be cautious. Comfort is the main health now.