Advanced Orthopaedics Airprene Sport Sleeve Knee Support (Medium)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li class="showHiddenFeatureBullets"><span class="a-list-item"> A unique perforated neoprene-like material that retains heat， but not water </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> The perspiration generated by exercise flows through the airprene to keep the skin dry and comfortab </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Airprene helps the brace stay firmly in place by dissipating excessive moisture </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31lHG4yfPEL.jpg" noproxy>