The Body Sculpture 10kg Adjustable Weighted Vest (which includes a DVD) is ideal for increasing the intensity and maximising the benefits of your training. The additional weight (or remove weights to suit) will help you to increase your stamina and develop your power and strength as it will increase the intensity of any of your exercises, such as running, or when performing dips, chin-ups, push-ups, squats, planks, in fact almost any exercise. Instructional DVD included.