Weighted Vest 10/20 kgWhat Exactly Does the Weighted Vest Do For You? You should always use a weight waistcoat if you want to increase your own weight to turn special exercises into real challenges. You are no longer dependent on dumbbells, especially for pull ups or at the dip station, if you wear the comfortable waistcoat during your exercises. Thanks to the full wearing comfort, which gives you complete freedom of movement, you train every muscle involved twice over.