Click on each product in our "Tanks" category to access the tech specs.  Tech specs are actual product measurements.  To get the best fit, choose a similar garment that you already own and like.  Lay it flat.  Record the garmen't measurements and compare them to the tech specs.  Consult the tech specs for each item in your order!  We use a number of suppliers and sizes vary from one supplier to another and even from style to style.  

If you are having difficulty deciding on the correct size, please email us.  We can give you feedback from other customers and our own experience.  Please choose sizes carefully.  Decorated items cannot be returned for sizing errors.