140 South Whisman Rd. Mountain View, CA 94041 1-800-JUMP-USA (586-7872)
Jumpsoles are the worlds most popular strength shoe. The platforms simply attach to your own shoes, creating a powerful training tool. Jumpsoles will build up important fast twitch muscle fibers in the lower leg. Jumpsoles will increase vertical jump 5 to 10 inches, and decrease time in the 40 yd dash by .2 seconds or your money back! Comes complete with training manual and video. The Jumpsoles are now upgradeable with the all new Proprioceptor System. The version 4.0 were specially designed to use this device which develops balance and agility while preventing injury.
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