The Smartwool Sox PhD® Run Ultra Light Micro sock is the new and improved run sock that features 4 Degree™ Elite fit system, Indestructawool™ technology for superior durability and a virtually seamless toe. This sock also features mesh ventilation zones that provide ultimate temperature and moisture regulation. It is made of 48% Merino Wool, 48% Nylon and 4% Elastane. All Smartwool socks are proudly made in the USA, and carry a lifetime guarantee.
Please note: Clearance items will be pulled from our store's sale racks.