SmartWool PhD Compression Calf Sleeve<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>48% Merino Wool， 44% Nylon， 8% Elastane</li><li>Knit in USA</li><li>20-30 mmHg graduated compression rating</li><li>1 x 1 ribbed leg</li><li>Style: SW0SC694</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41xztTP58cL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/414lWbInfoL.jpg" noproxy>