Men's vest weight loss jacket fitness weight loss sweatshirt sauna suit waist trainer corset neoprene vest zipper Features: 1. Men's sweat suit: 70% neoprene + 15% polyester + 15% nylon. Lightweight and expandable. Our neoprene vests help you adjust your body temperature and keep you comfortable, while the heat treatment layer accelerates your body's calories burned. It has an internal thermally active layer that promotes perspiration and significantly accelerates metabolism. 2. Sauna waist training jersey: Provide extra support for your physical exercise. This type of sauna vest allows you to wear regular workout clothes while exercising. Better maintain body temperature, mobilize fat cells, stimulate perspiration, and improve exercise. 3. Material: 70% neoprene, 15% polyamide, 15% polyester; odor tank special material for weight loss, no ugly neoprene smell after special treatment, and hanging outside to dry free air 4. Zipper vest design: zipper front opening and closing design, practice wearing and detaching, perfect fit to your stomach, wide shoulder strap to bear shoulder pressure, give you strong back support and correct posture and abdominal muscles during training. 5. Neoprene corset lose weight: It is a great vest for exercise, running or going out. You can wear it under your clothes. You will have a more stable posture, support at the waist, and sweat all day. Package Contents:: 1 sleeveless zip shirt.