Smartwool PhD Run Ultra Light Micro – Cripple Creek Backcountry

Packed full of features, the Smartwool PhD® Run Ultra Light Micro offers a dialed performance fit with ultra light cushion. Smartwool's Indestructawool™ technology enhances durability and the 4 Degree™ elite fit system makes this sock the best fitting sock in your drawer. The Shred Shield™ technology reduces natural we

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Smartwool PhD Run Ultra Light Micro – Cripple Creek Backcountry

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