Arctic Cubic Women's One Piece Halter Draped Convertible Blouson Monokini Size runs smaller than regular sizing, so please view our Size Chart carefully. Please select the size according to your chest/bust measurement. Please choose the next size up if you are not quite sure about the sizing. Medium Size(in inches): Bust 30 Large Size(in inches): Bust 32 X-Large Size(in inches): Bust 34 XX-Large Size(in inches): Bust 36