describe: This men's compression vest is designed to reshape the male chest, waist and abdomen, reduce the appearance of gynecomastia, hide man boobs and potbelly, straighten the back and provide an instant slimming appearance. The slim fit of this shirt allows you to wear it under all types of clothing such as sweatshirts, T-shirts, sweaters and formal shirts. PREMIUM FABRIC: Our slim fit vest is made of spandex, durable, long-lasting elasticity, quick-drying, comfortable, breathable, and anti-allergenic; targets problem areas and provides strong compression to the abdomen. Instant Flat Belly Effect: This men's weight loss compression sweatshirt's unique tummy-strengthening feature gives you an instant tummy effect, while it also has a compression effect on the chest, hiding man's chest ("man boobs") and giving you a perfect body shape. This product is perfect for solving beer bellies and hiding man boobs. Suitable for all occasions: You can not only wear our compression shirts for dates, parties, work, but also for exercise, fitness, running, cycling, football, basketball and other sports, you will become more confident and attractive STRENGTH, TRUST ME, PERFECT CHOICE FOR MEN: Please check the size chart to choose the right size as it will be different from what you usually wear. This shirt will help you even more if you combine exercise with a good diet. Function: styling, body shaping Neck shape: U-shaped collar Suitable seasons: summer, winter, spring, autumn Color: blue PU, silver PUS Size: S/M, L/XL, XXL/3XL, 4XL/5XL Applicable age: youth (18-40), middle-aged (40-60) Warm reminder: It is recommended to wash it after each use, especially after exercise. Manual measurement, please allow slight errors in size. Colors may vary slightly due to different screen displays. Package Contents: 1 piece x Compression Vest