1. Light weight but Powerful: Fabric protector and strong latex tube. Soft pads for comfort and safety use.
2. For boxing, basketball, volleyball and football sports training. Also for those people who have special resistance training needs that involve arms, legs, and lower back.
3. An Updated Version: More professional,more efficient.Have great effect on improving leg strength,vertical bounce.Enhancing the leg muscle ,chest and lower back strength,speed and agility.