Many women do not have the habit of trying on bras when they buy bras, especially some girls buy them online, and even look at them casually. In fact, this is very wrong! When buying bras, try on them as much as possible. Make sure to choose according to your size, fatness, season and breast development. If you don't try on the bra you bought, it may not fit your breast shape. If it is too small, it will affect local blood and lymphatic circulation. If it is too loose, it will cause the chest to sag.