Functionshaping, tummy control, adjustmentappropriate seasonSummer, winter, spring, autumn, all seasonssizeS, M, L, XL, XXL, 3XL, 4XLCompression Zip Tank Top --- Designed to provide compression to the chest area to help reduce the appearance of gynecomastia, the enlargement of male breast tissue while preventing future buildup of fat cells in your chest area.Ultimate Chest Compression Design --- The first men's chest compression vest to reduce the appearance of chest fat is the Men Breast Compression Zipper Vest. Your upper body will look toned, toned and defined thanks to the immediate slimming effect of our Chest Compression Tank Top. Its heat-absorbing polymer fabric provides users with multi-directional chest compressions and acupressure stimulation based on infrared heating and magnetic therapy.Seamless Compression Zip Tank Top --- Fits seamlessly over your favorite t-shirts, sweaters and business suits. Our original chest compression undershirt is designed for men to wear discreetly under any type of shirt. Our MANSON Gynecomastia Compression Zip Tank Top is made of ultra-thin spandex material that enhances body shape and reduces the appearance of significant chest fat.BODY CURVE --- This tank top is made of breathable elastic fabric, which is comfortable to wear and allows you to move freely, it has a compression layer that helps tighten and strengthen the chest muscles, you can get a better body curve by wearing it continuously.Chest Compression Vest for Men --- Your upper body will look toned, toned and defined thanks to the immediate slimming effect of our Chest Compression Vest. Its heat-absorbing polymer fabric provides users with multi-directional chest compressions and acupressure stimulation based on infrared heating and magnetic therapy.