Smartwool PhD Pro Endurance

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Type: Socks

Smartwool PhD Pro Endurance - L / Multi is backordered and will ship as soon as it is back in stock.

We worked with athlete Rob Krar to create the ultimate ultra-run sock. This purpose-built sock features Shred Shield™ technology to reduce wear from toes, activity-specific minimal and targeted sole cushioning, and a new malleolus ankle cushion designed for protection on the most rugged trails. These socks were built to go as far as you want to go, with unwavering comfort and performance. 
  • Rob Krar signature sock;
  • Indestructawool™ technology
  • Minimal and targeted sole cushion
  • Achilles heel cushion
  • Malleolus ankle cushion for protection on the most rugged trails
  • 4 Degree™ elite fit system for a dialed, performance-oriented fit
  • Shred Shield technology reduces wear from toes
  • 57% Merino Wool 38% Nylon 4% Elastane 4% Polyester