Pink Slip's Most Popular Push- Up Bra! Cosabella's Soire Demi cup bra is a great every day bra. Designed in a double layer toule with molded cups, light padding and removable cookies. Thin, wide set straps are adjustable elastic in back. Cosabella uses the following size chart: 1=32B/34A 2=34B/32C 3=34C/36B 4=36C/38B 5=36D