You do not know what size to choose ? WE GUIDE YOU TO CHOOSE THE SIZE THAT FITS YOU BEST! To measure yourself, a simple tape measure will suffice, STEP 1: Download and print your tape measure if you don't have one you can download it here to print it STEP 2: Take your measurements Here are the places where you should measure yourself 1. BUST 2. WAIT 3. HIPS STEP 3: Then refer to the size chart to define the size you need. Certain models cut very loose do not require the circumference of the hips, because it is "free" Each model being unique, we specify on each product whether it is better to choose its size according to the size of the chest, waist or hips.