O'neill Sportswear Sizing
O'neill Size US Size Bust Waist Hip European Sizes
XS 00-0 29.5-31 21.5-23 23-23 24-26
S 1-3 32-33 24-25 34-35 28-30
M 5-7 34-35 26-27 36-37 32-34
L 9-11 36-37.5 28-29.5 38-39.5 36-38
XL 13 39 31 41 40
See our complete Lingerie Fitting Guide here.