Smartwool Mens PhD Outdoor Medium Pattern Hiking Crew Socks

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Size Chart
Deep Navy
Black Heather

Smartwool's PhD Outdoor Medium Pattern Crew sock is part of Smartwool's famed PhD line. Designed to manage moisture, regulate temperature, control foot odor and prevent blisters so that you can focus on the trail ahead.


  • Crew Height (8.5" overall)
  • Medium Full Cushion
  • 4 Degree Elite Fit System for all day performance fit
  • Indestructawool Technology features a Wool-Based, Patent-Pending Yarn and Construction Method for Exceptional Durability and Comfort
  • Smartwool inside for Moisture, Temperature and Odor Control
  • Strategic Mesh Zones for Breathability
  • Virtually Seamless Toe


64% Merino Wool, 34% Nylon, 2% Elastane

Sock Height

Crew Height Sock

Sock Cushion

Medium Cushion Sock