Smartwool PhD Outdoor Light Pattern Mid Crew Socks

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A favorite of through-hikers and day-trippers alike, the PhD Outdoor Light Mid Crew packs some serious trail power. Featuring a versatile, multi-sport design, this lightweight style includes Indestructawool technology for ultimate durability in high-wear areas. And when it comes to comfort, we pulled out all the stops: the 4 Degree elite fit system provides a dialed-in fit, and Smartwool's signature Virtually Seamless toe offers extraordinary comfort in any trail shoe. Plus, Smartwool's new Shred Shield technology helps reduce wear from toes.


  • Adult Unisex
  • Light Cushion
  • Mid Crew Height
  • Indestructawool technology for enhanced durability
  • 4 Degree elite fit system for a dialed, performance-oriented fit
  • Body-mapped mesh zones for added breathability
  • Virtually Seamless toe for enhanced comfort
  • 6.25" overall height


60% Merino Wool 37% Nylon 3% Elastane

Sock Height

3/4 Crew Height Sock

Sock Cushion

Light Cushion Sock