The Jumpsoles Jump & Speed Training System 5.0 helps build up muscle fibers in your lower leg, increasing your vertical jump and speed. These frontal training platforms easily strap on to the front of your shoes.
The Jumpsoles Jump & Speed Training System 5.0 helps build up muscle fibers in your lower leg, increasing your vertical jump and speed. These frontal training platforms easily strap on to the front of your shoes.
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