Sorbothane UltraSole Mens/Womens Insoles， Size C<div style="text-align: left;"><strong>[Product Information]</strong><ul><li class="showHiddenFeatureBullets"><span class="a-list-item"> Runner's Last: Curves to prevent excessive pronation and to properly fit running shoes. Linear Grooves prevent excessive rigidity. </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Sorbothane Heel Insert absorbs up to 94.7% of impact shock， reducing impact-related injuries， jarring， fatigue， and pain while adding comfort </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> SORBOTHANE Energy Core provides maximum energy return for the most efficient toe-off while adding shock absorption and comfort to the forefoot </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Brushed Polyester Fabric Top Cover adds comfort and an extra moisture-wicking layer. Size C = 6.5 - 8 US womens/ 5.5- 7 US mens </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Polyurethane Foam for structural support， cushioning， and additional energy return. Absorbs and dissipates impact shock. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41Pg8etgJWL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41i%2BxtdH-0L.jpg" noproxy>