Fitness Hero Body Weight Vest | 5kgFitness Hero Body Weight Vest 5kg The Fitness hero 5kg weight vests add resistance to body weight exercises and to other lifts when a load is required to be constant and integral to the body (not on an external object). That said its a great way to add load to rope climbing, chin ups, muscle ups, push ups and any gymnastic exercise, as well as to kettlebell work or other metabolic and conditioning work! Increased strength endurance and the ability to