1. The size of the cup.
The MM of the A and B cups can be used in most sports underwear. MMs above the C cup should choose supportive products, which will protect the chest more.
2. The intensity of the exercise.
The intensity of different exercises is different, and the impact on the body is also different. The more intense the exercise, the greater the damage to the chest, and the higher the requirements for sports underwear.
3. Accurate measurement of bust
Every time you buy sports underwear, you have to re-measure it. The chest will change from time to time. There are many differences in the size of sports bras in different regions and styles.