How heavy of a weighted vest should I get to optimize my workout routine without overexerting myself? Is there a specific formula or guideline that suggests the ideal weight based on my body composition and fitness level? Should I consider my personal goals, such as building strength, improving endurance, or enhancing my overall physical performance? Furthermore, are there any safety precautions I should take into account to prevent injury or undue strain on my muscles and joints? With the myriad of options available on the market today, how do I discern between different weights and materials to find a vest that not only meets my physical requirements but also provides comfort during use? Could factors like my age, gender, or workout frequency play a pivotal role in determining the appropriate weight? Ultimately, how can I ensure that the vest I choose truly aligns with my training objectives?