The Nebility Women Waist Trainer Corset Zipper Vest Body Shaper is a popular choice for those looking for a waist trainer with added back support. This waist trainer is made from a blend of polyester and spandex, providing a comfortable and stretchy fit. The vest-style design offers full coverage and support for the waist and back, helping to improve posture and reduce the risk of back pain. The zipper closure makes it easy to put on and take off, and the adjustable straps allow for a customizable fit. With its combination of waist-slimming and back-supporting features, it's no wonder this waist trainer is a best seller on Amazon.