Two Layers Fabric Design - The inner thermogenic polymer fabric increases your core temperate to promote sweating. The outer performance compression fabric instantly slims and shapes your figure. The zipper design is great for taking on or off with ease. Finished with an anti-slip waistband to ensure it stays in place and doesn't shift on your body, especially during intense workouts and this men sauna suit is exceptionally flexible. *Advanced Polymer Material - This men sweat vest body shaper combines an exclusive blend of performance compression and polymer fabrics to boost your natural body heat and stimulate sweating with any type of activity. Wearing this vest while working out or while performing daily activities, creates a hot sauna-like experience. Your body temperature will rise, promotes sweating to shed water weight and shed pounds fast, sweat more also helps with detoxifying and cleansing your pores *Quickly Fry & No Smell - The polymer material repels moisture to quickly dry and stay fresh so that you won't feel wet from the excess sweating. Compared to low-par neoprene alternatives, this sweat tank top doesn't smell, dries quicker, incredibly light, comfortable, and it's machine washable *Bodybuilding Function - The slimming vest tank top provides perfect amount of compression for the covered area, helping to enhance your abdominal and pectoral muscles, making your waistline look slimmer and tight, also help correcting posture during daily activities, make you look more energetic. Sweat body shaper is your ideal workout gym clothing. *Comfort Versatility - Men sweat vest tank top has been designed so that it's incredibly light and comfortable to wear even for a long time. It moves freely with your body during workouts at the gym or at work. It featuring a tank top style you can wear it under your clothes completely hidden, also just wear it alone. Wear this men workout tank top for your next zunba, gym, running, fitness, weightlifting and other sports, it help your workout more efficient and get results fast