Smartwool PhD Outdoor Light Micro Sock - Men's Medium Gray Large

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Short Description
  • 4 Degree Elite Fit System uses two elastics for greater stretch and recovery to keep the sock in place
  • Patented ReliaWool Technology in high impact areas provide longer lasting protection to keep feet comfortable
  • Strategically placed mesh ventilation zones provide ventilation for temperature and moisture management
  • 1.5" overall height
  • Knit in USA of 71% Merino Wool, 27% Nylon, 2% Elastane
Brand Name
Part Number
Color Name
Medium Gray
Size Name
PhD Outdoor Light Micro features Reliawool Technology for improved durability in the heel and toe and the 4-Degree Elite Fit System, to keep the sock in place and giving you all-sport versatility.

4 Degree Fit System
The 4 DEGREE FIT SYSTEM in Smartwool PhD socks is a proprietary four-point sport supportive system that provides an incredibly secure, comfortable fit around the heel, arch and instep.

  • Ankle Band
  • Upper Instep Band
  • Lower Instep Band
  • Arch Band



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