Size 1/XS = Petite, Size US 0-2, A cup, 31-32″ band measurement
Size 2/S = Small, Size US 2-4, B cup, 32-33″ band measurement
Size 3/M = Medium, Size US 6, C cup, 33-34″ band measurement
Size 4/L = Large, Size US 8, Full C/D cup, 34″ band measurement
Size 1/2 = Petite / Small
Size 3/4 = Medium / Large
All of our fabrics are of the highest quality with a decent amount of stretch allowing for the utmost comfort and size accommodation. Please note this is just a guideline, for further questions or measurements please contact Customer Service. We recommend if you’re in between a size to size up.