http://www.zappos.com/n/br/b/956.html The latest styles from Spira at Zappos.com! en Mon, 13 Oct 2008 00:20 PDT Mon, 13 Oct 2008 00:20 PDT cs@zappos.com (Zappos Customer Service) cs@zappos.com (Zappos Customer Service) http://www.zappos.com/img/logo143x58.gif http://www.zappos.com/n/br/b/956.html 143 58 <img style='text-align: center' src='http://www.zappos.com//images/746/7462008/1396-737905-t.jpg' /><br/> Running shoe built for the neutral to under-pronator who requires an enhanced cushioning and extended durability. Ride the wave of springy cushion and stop feeling the force of every foot strike! WaveSpring(tm) technology delivers unparalleled cushioning and energy return to successfully reduce stress and fatigue. Laterally stable and lightweight, WaveSpring(tm) stores and disburses energy with every step while minimizing impact shock. Long-lasting springs provide a “new sneaker” experience throughout the life of the shoe. Tri-Spring Configuration ensures you benefit from both rearfoot shock absorption and dynamic toe-offs. Mesh upper offers a lightweight and breathable feel. EVA is strategically placed in the midsole for added cushioning. High abrasion carbon rubber outsole affords traction and durability. http://www.zappos.com/n/redirect.cgi?q=vz349795869z <img style='text-align: center' src='http://www.zappos.com//images/746/7461960/1396-737842-t.jpg' /><br/> Running shoe built for the neutral to under-pronator who requires an enhanced cushioning and extended durability. Ride the wave of springy cushion and stop feeling the force of every foot strike! WaveSpring(tm) technology delivers unparalleled cushioning and energy return to successfully reduce stress and fatigue. Laterally stable and lightweight, WaveSpring(tm) stores and disburses energy with every step while minimizing impact shock. Long-lasting springs provide a “new sneaker” experience throughout the life of the shoe. Tri-Spring Configuration ensures you benefit from both rearfoot shock absorption and dynamic toe-offs. Mesh upper offers a lightweight and breathable feel. EVA is strategically placed in the midsole for added cushioning. High abrasion carbon rubber outsole affords traction and durability. http://www.zappos.com/n/redirect.cgi?q=vz350103184z