Features: Heat trapping polymer fabric, increase body temperature and produce 3 times more sweat. High elastic and compression material makes you feel more comfortable and breathable. Anti-slip waistband keep your vest stay in place, prevent the vest from slipping during sports. Help postpartum recovery all process, reduce swelling, tighten skin, control tummy and reshape. More close-fitting vest type or convenient to wear off zipper type for your optional. Great accessory for back support, power lifting, boxing, cardio and everyday wear.