78% Nylon, 22% SpandexElastic closureFAT BURNING ASSISTANT - Shaping your chest, waist and stomach, it is designed for men and women.When you gym or swim, it not roll up and stay in place pretty. And it is specifically designed to reduce the appearance of Gynecomastia or "man boobs". Breathable for improving blood circulation and fat burning, and strongly chest shaping. It helps with back support and posture. It has been visually being losing belly or chest fata and it does flatten the breast and stomach.LOOKS THINNER AND KEEP FIT - Get your self-esteem back We understand the anxiety some men experience who suffer from these conditions. Our compression shirts for men are specifically designed with these men"s self-esteem in mind. The comfort yet practical design of our undershirts provide immediate slimming effect while wearing it underneath all types of clothing. If you want a better body sculpting effect, it is recommended to buy a size smaller, and if comfortable effect, a larger size.REVOLUTIONARY SLIMMING UNDERGARMENT - High quality nylon to stay shaper. Made for wearing underneath any kind of clothing, such as workout shirts, t-shirts, sweaters and formal dress shirts. The slimming compression is a secret between you and your garment. A chest flattening breakthrough HIGH QUALITY NYLON TO STAY SHAPE - Which is different from many similar design of cheap material on the market, we used high-quality gift. This is a perfectly fitted, soft to the skin, mens slimming compression undershirt that stretches and recoils as your body moves. Ergonomic slimming and tight X-Shape back designed to shape the body. On the inside are powerful layers of Nylon & Spandex tightly knitted together flattening your chest and stomach.HOW TO WEAR - Step into it and pull it up, and take off the same way. It will ajust the fat position and hold up the fat near armpits, so may not comfortable when first wear it. It will be suitable after 1 week. We suggest you to gradually prolong the time of wear, if first use this product. Wear our vest with eating healthy food and doing excercise to burn your fat. With a combination of exercise and a good diet, this slimming shaper will help you have a nice body shape.Our products are made with the highest quality materials and are designed to provide you with the best possible user experience. We strive to ship out all orders within three days of purchase, and the estimated delivery time is 8-15 days.When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specificationsWe want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don't hesitate to contact us. We are here to help and will do our best to assist you.Thank you for choosing our product. We hope you enjoy it