Once you reach at the age of wearing bras, probably you will begin with a Sports Bra For Gym or a training bra. These bras... moreOnce you reach at the age of wearing bras, probably you will begin with a Sports Bra For Gym or a training bra. These bras are easily available in different styles and sizes, but you would need to select the ones as per to the size and shape of your breasts, and even according to the level of comfort you want. In some cases, you have to change the size and style of your bra as you mature.