Avia - A171w (White/Performance Grey/Silver/Azure Blue) - Women's: Leather, mesh and synthetic upper. Compression molded EVA midsole. Fom(R) mimics the way your foot compresses shock and is located in key impact areas, much the same as the fat pads in your foot. Made of extremely soft, yet dense material, fom conforms to your foot on impact for excellent cushioning and comfort, then bounces back to its original shape after each impact. Anatomical Cradle improves both motion control and shock absorption. Cantilever System technology which centers the heel over a concave sole. The concave sole acts like a trampoline to soften impact, stabilize the heel and provide increased energy return.
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