PhD Pro Outdoor Medium Hiking Crew Socks Men's Charcoal

Regular price $29.95 Sale price $23.96

These PhD Pro socks are Smartwool's top-of-the-line performance socks.  In addition to all of the other great features of Smartwool's regular PhD series socks, these PhD Pro styles use premium yarn for enhanced comfort, and also include an additional added achilles strap for extra protection and warmth.


  • 64% Merino Wool, 34% Nylon, 2% Elastane
  • Premium Yarn Enhances Comfort
  • Medium Cushion
  • Crew Height
  • Virtually Seamless™ Toe
  • 4 Degree™ Elite Fit System with Ankle Joint Flex Zone
  • Indestructawool™ Technology
  • Mesh Ventilation Zones
  • Achilles Strap for Extra Protection and Warmth
  • Made in the USA of Imported Yarn