Mens Shox NZ Cool White/Sliver Shoes dedicate Top plate distributes impact forces from the heel to the columns.The columns control impact by collapsing quickly at first, and then slowly returning to their original height.The top plate distributes impact forces from the heel to the individual columns, deflecting like a trampoline.The bottom plate supports the columns, producing a secure base to guide your foot through the heel-to-toe transition.Its been called a lot of things: springy, resilient, bouncy. But to a runner, the Nike Shox NZ means one thing:responsive cushioning.Free shipping and no cheating,non tax,one week arrive you door.Welcome order from us.