When choosing a size, please check the size chart Material: 75% neoprene, 10% polyester, 15% nylon. Colour: Black Size: S-5XL -Tip: Choose 1-2 zoom will be more comfortable. Choose 1-2 zoom will be more comfortable. Packing list: 1 piece * slimming vest feature: -If there are any problems, we hope you can bring them to their attention and we guarantee a 100% refund. -Men’s popular training vest top made of neoprene is very suitable for weight loss. It will heat the core area of the abdomen during exercise to help you sweat more, thereby eliminating toxins and draining excess water. -Fitness fitness vest, continuous compression, can reduce recovery time. This oversized sports vest provides a stretch structure that can exercise abdominal muscles like sleeveless leggings or tights. -Using a slim running waist trimmer, it can tighten the abdomen and tighten the abdomen, provide comfortable support for the back without restricting or hindering movement. -Tips: Non-chlorine bleach, do not iron. We recommend washing hands in cold water.