2006-11-28 2006-2-3 The Aetrex® X521W Women's Athletic Runner represents the highest standards in comfort and performance. These unique shoes provide the stability and shock attenuation needed during high impact running activities. A lightweight, molded EGX™ footbridge reinforces the midsole and provides motion control while individual pods increase traction and stablility. The lightweight, removable Aetrex orthotics and Pressure Relief System (PRS™) insoles provide optimum comfort and shock attenuation while Running. 136607 text/html 1.0 EN Aertex Women's Athletic Runner St. # X521W highest standards in comfort and performance provide the stability and shock attenuation needed during high impact running provides motion control while individual pods increase traction and stablility Aertex Women's Athletic Runner St. # X521W text