If you are heavy chested. Order a 1 or 2 size up from what you would normally wear. So that the top part can zip.
✔Give You Hourglass Shape: The Neoprene Sweat Sauna Suit gives you a perfect fit for unique design:Sports Bra + Waist Trimmer + Waist trainer, adjustable waistband with velcro cl... http://bestgoodini.com/19-joyshaper-waist-trainer/