SIZE CONVERSION MADE EASY: Did you know Fantasie Swim is sold in UK sizing? Please use the size chart to convert your US to UK size. To find your size, measure around the torso underneath the breast tissue to determine your band size. If measurement is an odd number, round up to the following even number. Measure around the fullest part of the bust to determine your bust size. To determine your cup size, subtract your band size from your bust size. Gathered at center front for lower neckline. Concealed underwire and inner hook and eye for support and control. Adjustable tie sides offer ruching effect to flatter tummy area and variation of body length Powernet lined wings for support and anchorage Fixed fully adjustable shoulder straps. Ladder trim detail at neck edge.