Features: *1. 90% polyester + 10% spandex. *2. Zip closure. *3. Four-wat stretch with #Blue/#Silver PU coated lining gather and boost body heat during activities, stimulate sweating, create a hot sauna-like experience, all together to shed water weight, detoxify, and cleanse your pores. *4. Light compression tank top can be worn outside your own tops, it raises your body temperature rapidly to cause natural sweating, activate sweat glands and relieve clogged pores. *5. Suitable for assisting keeping fit & losing weight activities like running, boxing, yoga, dancing, fitness, cycling, jogging, and more.