By doing the special plyometric exercises in the video you develop fast twitch muscle fibers in your legs for explosive leaping. Used by slam dunk contest winners and top pro & college teams. Jumpsoles Strength shoes help with jump training by helping building up calf strength during jump workouts. Used by the Pros and Pro Teams. Builds fast-twitch muscle fiber in the lower leg.Except on weekend or public holidays. We stand behind our products.
Your receive the wrong item. The item "Jump Sole (large size 11-14) Jumpsole Increase Your Vertical Leap! FREE D" is in sale since Monday, May 11, 2020. This item is in the category "Sporting Goods\Team Sports\Basketball\Training Aids".
The seller is "ericy23" and is located in US. This item can be shipped to United States.