SMARTWOOL PHD RUN ULTRA LIGHT MICRO WHITE

The Smartwool Sox PhD® Run Ultra Light Micro sock is one of the best fitting and most advanced run socks made. This sock features 4 Degree™ elite fit system, Indestructawool™ technology for superior durability, mesh ventilation zones and a virtually seamless toe. The sock also features light elite cushioning in the ball and heel of the foot for ultimate shock absorption with minimal in-shoe volume. 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.

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