SIZE CONVERSION MADE EASY: Did you know Freya Swim is sold in UK sizing?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. Please use the brand size chart to convert your US to UK size. Integrated moulded cups for a smooth rounded shape. Concealed underwire. Scooped higher cut leg for comfort and ease of movement Scooped open back styling for ease of movement Convertible, fully adjustable back straps can be worn over the shoulder or cross back for optimal comfort and fit