When choosing a sports bra, the size of the following bust should be taken as the standard of purchase. For example, Adidas Training's new sports bra in July has a detailed size table, which you can choose according to. Generally speaking, the size of sports corsets is differentiated according to the size of large, medium and small. And it is best to try it on in the store, otherwise it will affect the sports comfort if it is too big or too small.