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This versatile outdoor sock, the Men's PhD Run Ultra Light Micro from SmartWool is designed for running, but can also be used for other outdoor adventures such as hiking and biking. These socks are made with Indestructawool™ Technology for exceptional comfort and durability and have strageically located mesh zones for ventillation. Featuring itch-free SmartWool yarn, these great socks will keep your feet warm when it's cold and cool when it's warm.
|US Women's shoe size||4 - 6.5||7 - 9.5||10 - 12.5||n/a|
|US Men's shoe size||n/a||6 - 8.5||9 - 11.5||12 - 14.5|
|European shoe size||34 - 37||38 - 41||42 - 45||46 - 49|
|UK shoe size||2 - 4.5||5 - 7.5||8 - 10.5||11 - 13.5|