1) This size chart is for the SKIN-LEVEL BODY measurements, NOT for garment. Ordered garment is custom-made by the industry standard in proportion to the customer supplied skin-level measurements. Regarding how to measure yourself, please reference the illustration at the footer of this page.
2) Please match your skin-level measurements to above size chart, then go back to the product page where you're placing the order, choose your size by expanding the size menu in the cart, and click "Add to cart" to complete checkout.