I work out daily so I love a sport bra that gives me the support. I'm 5'1" and 100-105lbs and I usually wear a small. However, I got these in a M for a little comfort around the waist. I love the pads which are removable. I have this sport in every color (white, black, pink, and light blue). I love the material. I would highly recomment this sport which you can wear daily if you go a size up.