SpringBak Spring Soles Instant Spring Back Jump & Speed Boost Insoles
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The insoles that spring back to immediately give you inches to your vertical and stride length! When you step down to jump, SpringBaks compress and then when you lift off they spring back to give you more energy and more vertical! The only way to believe it is to try it. SpringBack is the only insole in the world that were issued a patent based on validation by top independent world research laboratories and universities. One pair.
I recently bought the Springbak Springsoles.. before i got them i would always get shin splints while i was playing basketball and i could barely dunk and now while i'm using them i can get up high enough to dunk with ease and the shin splints have pretty much stopped happening completely. They make just make doing things easier overall.
- Michael J
I like my springbak insoles a lot. My 40-yard dash before the springbaks was a 4.45 and when I timed a 40 with the springbaks in my cleats I ran a 4.37. - D.J. Marchiando
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