N regular shoes, 70% of the body's weight rest on the heel. Therefore, the calf muscles, exert little effort in supporting the body. In the new Jump 99 shoes, the heel factor is eliminated, causing the calves to support 100% of the body's weight. This overload works the calves and Achilles with a force equal to 6 times the body's weight upon impact.
This is one of the most advance vertical training shoes in the market. Increase Vertical Jump by 5-10 inches. Increase Fast Twitch Muscle Fibers for Explosive Power. Lower 50M Dash Time by 2/10th of a second.
Incrase Calf Mass and Definition. The item "Plyometric Strength Training Shoes" is in sale since Wednesday, March 22, 2017. This item is in the category "Sporting Goods\Team Sports\Basketball\Training Aids". The seller is "walterbiz2006" and is located in Miami, Florida.
This item can be shipped to United States.