Jumpsoles are the world's most popular frontal training platforms which attach to your own shoes.

By training with Jumpsoles you 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! Comes complete with training manual and video. 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. Coaches and sports physiologists agree that frontal platform shoes are great for developing greater calf / lower leg strength as it applies to vertical jump and running speed. The Proprioceptor Jumpsoles use controlled destabilization to multiply work load and sharpen neuromuscular reflexes. After just one workout you will feel the difference in your vertical jump and speed. Jumpsoles v4.0 are the only platform trainers on the market that have proprioceptive capacity. Enjoy more power and greater stability with v4.0's