The 2.3mm neoprene fabric core increases heat temperature and calorie burn. The waistband design is continuous to fit the abdomen, close to the body, reduce and shape your waist, and the adjustable waistband fits most sizes It is also a way to correct hunchback, improve the correct posture, and help you relieve shoulder and back pain. It can expel more fat quickly and lose weight. It can not only improve the hunchback, but also shape your body, making you thinner, more beautiful and more confident.