Wearing a weight Lifting Jackets will automatically increase the intensity of a workout routine, especially those who rely on body weight for endurance. Typically, you would expect that wearing a weight Lifting Jackets will help you gain muscle mass (and possibly lose weight). While this is correct, there may also be negative implications if your body is not ready for this, and it’s not always obvious when you should & should not use one. This guide should help you to learn all about weight Lifting Jackets pros and cons, how weight Lifting Jackets can be useful for training, and when they can be potentially dangerous.Walking with a weighted vest can help you build muscle mass. This is due to the extra resistance that your muscles have to work against.