Quote:
Originally Posted by 3fees
from the link: Lotto Sponsor
He’ll also be sporting the new Raptor Ultra IV on his feet, equipped with the exclusive ReactiveArch technology, the first concave dynamic sole that flexes according to the natural movement of the foot. This shoe is going to offer maximum cushioning during impact forces, stability when planting the foot and reactivity during thrust.
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All I got from this was "shoe instability" 
-Fuji
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I believe what he says are nuggets of truth. And I collect them. And I store them in the lock-box of my soul. -JD
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