Posture and fat burning The Men Body Shaping Waist Trainer helps keep you in the correct position all day, supporting your back and posture. Use during exercise to promote fat burning and weight loss. The Sauna Vest provides comfort and full range of motion during running, jogging, and hiking, with breathability and effective heat and sweatwicking. Fine workmanship The Double Belt Sauna Vest is designed with careful attention to detail, featuring a zip for easy on/off, a secure fit, and breathable comfort. Suitable for men who want to lose weight, hide man boobs, or address beer bellies. Portable design The Waist Trainer is lightweight, compact, easy to store and carry, and fits easily in your bag. Especially suitable for daily gym workouts. With a combination of regular exercise and a healthy diet, this muscle shirt can help you get into shape. Polyester and neoprene Made of polyester and neoprene fabric that is soft and skinfriendly, easy to care for. The slimfitting design can be worn under various clothing, such as sweatshirts, tshirts, jumpers and formal shirts, helping you look slimmer without drawing attention to the vest. Use scenarios Gym and cardio sessions: wear during workouts to enhance posture, comfort, and fatburning potential. Outdoor activities: ideal for running, jogging, and hiking due to breathability and moisturewicking properties. Everyday wear: wear under casual or formal clothing to discreetly shape the torso and manage chest and belly appearance.