Beotyshow Ionic Shaping Sleeveless Shirt Gynecomastia Compression Tank Top Body Shaper Slimming Vest Shapewear Undershirt Features: Ionic shaping vest men adopts advanced compression technology to provide comprehensive compression from the chest to the abdomen. Gynecomastia compression tank top is designed to shape your chest, waist, and stomach, and reduce the appearance of gynecomastia or "man boobs". Comfortable Design: Gynecomastia compression sleeveless shirts are designed with lightweight luxurious blend of polyester and spandex which provides excellent comfort, smooth, soft, flexible, easy to put on and take off, and a slimming effect without restricting your movements. Material: Ionic slimming body shaper vest is crafted with high compression stretch fabric, lasting elasticity, breathable, quick drying. Mens body shaper induces sweating, improves blood circulation, helps your body eliminate fat, contributes to a flatter abdomen, and a more defined physique. Occasion: Men's slimming compression undershirts for men are made for wearing underneath t-shirts, sweatshirts, and formal work suits for a thinner look. Wear sleeveless compression tank top men for parties, dating, work, workouts, fitness, gym, yoga, Zumba, running, exercise, cycling, and any sports. Note: Please allow 0.5-1.0 inches measuring deviation due to manual measurement and different stretch of fabrics Colors: white, blue, black, black. Sizes: medium, large, x-large, xx-large, xxx-large M, L, XL, XXL, 3xl, big and tall.