Leg Resistance are a piece of practical training equipment used to help you reach your goals and take your training to a higher level.The resistance easily increases your heart rate to the fat burn zone, tones your legs while completing everyday movements,and will take your body to the next level with a combination of aerobics and resistance training.^ Works with jumping, plyometrics and resistance training Weight free jump resistance doesn't stress joints^ For Athletes,For Non-athletes :This product can be used for basketball, volleyball and football sports training.Also for those people who has training needs.^ Lightweight but Powerful:Fabric protector strong latex tube.Soft latex and rubber materials for comfort and safety use,has a lightweight.^ Adjustable Padded Belt, Adjustable Ankle Straps, 4 Quick Release Power Tubes and Backpack Carry bag^