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SmartWool Men's PhD Outdoor Light Crew Socks

Style: SW044
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The SmartWool Men's PhD Outdoor Light Crew Socks feature 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 Elite fit system uses two elastics for greater stretch and recovery to keep the sock in place
  • Patented ReliaWool technology in high impact areas provides longer lasting protection to keep feet comfortable
  • Strategically placed mesh ventilation zones provide ventilation for temperature and moisture management
  • Flat knit durable toe seam for high burst strength 
  • 2x1 ribbed welt
  • 1x1 ribbed leg 
  • 8.5" overall height
  • Crew height
  • Light half cushioned
  • Knit in USA: 63% Merino Wool/34% Nylon/3% Elastane

Men's Sizing (Shoe Size Reference):

  • S: 3-3.5
  • M: 6-8.5
  • L: 9-11.5
  • XL: 12-14.5

Smartwool Socks Sizing

U.S. Men's Shoe Size3-5.56-8.59-11.512-14.5
U.S. Women's Shoe Size4-6.57-9.510-12.5N/A
Euro Shoe Size34-3738-4142-4546-49
UK Shoe Size2-4.55-7.58-10.511-13.5
Calf Circumference (Largest part of the calf)11"-14.5" (18-26.5 cm)12.5"-16.5" (32-41 cm)14.5"-18" (37-45.5 cm)16"-23" (41-58 cm)

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