Jumpsoles Jump & Speed Training System 5.0

Jumpsoles Jump & Speed Training System 5.0 and Jumpsoles Training Manual. excellent used condition with normal wear. Size Medium Website Description: 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. Features : -Easily strap to the front of your shoes -Help build up important fast twitch muscle fibers in the lower leg -Help to increase vertical jump and speed.