I have a hard time with the summer heat and was desperate to find a bra that didn't make me super uncomfortable and hot.  Even the so-called "light bras" I own were made of nylon and still very hot.  This is a wonderful bra, the lightweight cotton is so much cooler, and without extra padding it still fits well and looks good under a light shirt.  It is very comfortable to wear and I love the front closure.  I bought my regular size, 36, and it fit perfectly.  I will be purchasing more soon!!