ZEROBODYS Men's Body Shaper Slimming Shirt Elastic Sculpting Vest Tank SS-M01 80% nylon U Neckline Invisible Design: Vest can go inside invisibility and no visible embarrassment Abdominal weave design:Tighten belly fat more effectively by Cross weaving design Not only shirt:A multi-functional body vest with the effect of corseting the abdomen and the waist Super elastic fabric: 80% spandex + 20% polyester, comfortable and smooth Four color for choice from size S to size XXL