Smartwool PhD Run Ultra Light Micro

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  • $15.95

Smartwool's ultra light cushioned PhD Running Ultra Light Micro is great for mild weather and shorter distances, without the tan line. Thanks to ReliaWool Technology in high density impact zones, these socks are sure to outrun your running shoes.



  • New 4 Degree Elite Fit System uses two elastics for greater stretch and recovery to keep the sock in place
  • Patent pending ReliaWool Technology in high impact areas provides the longer lasting protection to keep feet comfortable
  • Low profile and durable virtually seamless toe
  • 1.5" overall height

Knit in USA of Imported Yarn: 54% Merino Wool, 44% Nylon, 2% Elastane

Style SW061




ADULT SOCKS (shoe size reference)

Sizes US Men US Women Euro UK
Small 3-5.5 4-6.5 34-37 2-4.5
Medium 6-8.5 7-9.5 38-41 5-7.5
Large 9-11.5 10-12.5 42-45 8-10.5
X Large 12-14.5 N/A 46-49 11-13.5