Women & Man Men Body Sweat Shaper Sauna Vest Slimming Gym Yoga Sports Thermal Material:Polymer(New heating material) ADVANCED SWEATWEAR: shaper uses a heat-trapping polymer fabric to boost your natural body heat and stimulate sweating with any type of physical activity. Wearing Sweat Sauna Shaper while working out or while performing daily activities, or even at work, creates a hot sauna-like experience. Your body temperature will rise, so you sweat more and lose water weight