ACE Active Knee Stabilizer， Medium<div style="text-align: left;"><strong>[Product Information]</strong><ul><li class="showHiddenFeatureBullets"><span class="a-list-item"> Lightweight and flexible single side stabilizers provide joint support </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Breathable materials deliver uniform compression </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Patella gel ring provides extra comfort </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Silicone beads help keep stabilizer in place </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Medium: 16.5 in - 18.5 in </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51QIqks8I%2BL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51fa6dVWsqL.jpg" noproxy>