Soft and ComfortableThis ion shaping vest is breathable and easy to wear. With continued wear, you'll stay in better shape as it has compression layers that help tighten and strengthen your chest muscles. Promotes Muscle ToningThis helps break down fat cells and reduces the size of breast tissue for a more manly breast appearance. Its fabric is magnetically treated to provide users with multi-directional chest compressions and shiatsu massage. Multifunctional Base Layer ClothingIt can be used as a flattering undershirt without showing through the outer layer. Bodices look stunning without a top on, giving you a regal and determined look for any occasion where you want to look your best. Regulate Blood CirculationThis body shaper vest helps to increase the metabolic rate and eliminate body fat, it can regulate blood flow and blood vessel function, help relax muscles and arteries, increase blood circulation, and help men regain their charm and confidence. Easy to MatchThe shaping tank top is made of milk silk, which can enhance the figure. Blends easily and seamlessly into your favorite t-shirts, sweatshirts, and workwear.