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Put a little "spring" in your step!
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For years, athletic and comfort shoe engineers have been trying to create a buffer between the foot and the road. Spira engineers have developed a solution - an energy return system that works with the ground by sending expanded energy back to the wearer. It is called WaveSpring™ technology and it is found inside every pair of Spira athletic walking and running shoes.
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Science and Footwear are now one.
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