【ABOUT THE SIZE】GSKS mens compression shirt is NOT standard US size. DO NOT use Amazon size chart. STYLE A: M fits 30”-32” bust, L fits 33”-36” bust, XL fits 37”-41” bust, XXL fits 42”-47” bust. Please follow the picture on the left to get your size. If you don't like the tight compression feeling, we suggest that you order one size up. Any questions PLS don't hesitate to contact us. 【INSTANT SLIMMING RESULT】Our slimming shirts for men are specially designed to reduce the appearance of Gynecomastia or "man boobs", flatten "beer belly" and smooth “love handle”. This shaper for men can provide an immediate thinner appearance. It also helps to improve blood circulation and fat burning so you will have a better weight loss result. 【IMPROVE POSTURE】The shapewear for men is ergonomic design. X-Shape design on the back offers extra compression to the back so that you can keep your head high and your back straight naturally. This man girdle will give you a better posture and get your self-confidence back. 【HIGH QUALITY MATERIAL】This compression shirt for men is made of 80% Nylon and 20% Spandex. Breathable, stretchy and lightweight fabric gives you an extraordinary feeling. High quality nylon helps to keep your body in good shape. It will not lose its elasticity after use. 【OCCASSIONS】Low-neck design makes it easy to pair with all kinds of clothes. The compression tank top is invisible under any clothes, such as T-shirts, shirts, sweaters, jersey, etc. It is perfect for dating, interviewing, working and exercise like running, basketball, body-building, etc. Overview:GSKS body shaper is perfect for a man who wants a healthy and nice look without surgery or medications. This compression undershirt is designed to flatten your breast and stomach, reduce your belly size, and improve your posture, which immediately gives you a slimmer and nicer body shape and helps to build up self-confidence.Description:1.The compression shirt for men can visually lose belly and chest fat. It gives you a slimmer look when wearing it and nobody knows your secret shaper, which helps to build your confidence.2.The men body shaper also provides excellent back support to correct bad posture and makes you look better.3. Low-neck design makes it easy to pair with all kinds of clothes, such as T-shirts, button-downs suits, uniforms, sweaters. This men?¡¥s undershirt is suitable for dating, wedding, exercising, working, etc. 4. The mens spanks undershirts is also a good assistant for fat burning. A healthier diet and more exercise, combined with this slimming body shaper, will give a better weight loss effect.5. We use high-end breathable fabric to ensure our products more comfortable and durable. It can be worn all day long for walking, shopping, traveling and so on.Notice:DO NOT use Amazon size chart!Choose the size according to our own measurements list in the LAST PICTURE!Measurements Information:S- ( Chest size: 82 - 91.44cm / 32.3 - 36inches )M- ( Chest size: 96 - 110cm / 37.8 - 43.3inches )L- ( Chest size: 111 - 131cm / 43.7 - 51.6inches )XL- ( Chest size: 132 - 149cm / 52.0 - 58.7inches )XXL- ( Chest size: 150 - 168cm / 59.1 - 66.1inches )Package includes:1 x body shaper