This was SO helpful for me in my 3rd trimester! Why We Love It Take on pregnancy like a pro! Our Pregnancy Belly Support Band features exclusive CORE SUPPORT technology that makes it feel "like a Sports Bra for your belly! ™" How It Works This is the only pregnancy belly band on the market that has 360 degrees of complete core coverage made with exclusive CORE SUPPORT technology and exclusive PRO breathable fabric. It supports the abdominals, take pressure off the low back, and eases common discomforts and back pain of pregnancy.