Big Mike's Fitness Weighted Vest, 12 lb Next level training: increase strength by pushing yourself to the next level Versatile design: allows for a broad range of exercises, such as jogging, rope climbing, pull-ups, push-ups, sit-ups, burpees (shudder) and many more Increase strength & endurance: the more weight used, the more the muscles have to adapt to the higher weight-building strength and muscular endurance Break a plateau: provides a great tool for variation that our bodies aren't prepared Musculature and bone benefits: bones become stronger and denser to handle the extra weight