Replacement Headgear Assembly with Back Strap (Gray)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li class="showHiddenFeatureBullets"><span class="a-list-item"> Swift FX Nano headgear assembly includes the silicone headgear and SoftEdge fabric gray backstrap. The assembly comes with a pair of gray soft wraps. </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Made of soft， supple silicone Swift FX Nano Headgear conforms to facial contours and flexes easily with movement during sleep. </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Swift FX Nano Headgear is simple to adjust and the minimal design works well in any sleeping position. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41uV370pcdL.jpg" noproxy>