Measure with the ruler around the bust/waist/hips and keep the ruler parallel to the ground.
After measuring your bust/waist/hips circumference with a ruler, please find the closest size to your bust/waist/hips circumference in the size table below (the bust/waist/hips circumference values in the table point to your figure size, not the size of the shapewear).
The measurements of the model in the picture: Bust ( 36.6″ ), waist ( 26″ ), hips ( 41.3″ ). Wearing size: S