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You spent an obscene amount of money on those fancy running shoes, so why would you run in  a pair of cheapo socks that eliminate any good that the shoes are doing for your feet. The Smartwool PhD Running Ultra Light 3/4 Crew Sock has an advanced degree in comfort and support to work with your high-dollar running shoes and provide increased performance with reduced fatigue.

  • Elasticized arch brace for added support
  • Flat knit toe seam eliminates chafing and irritation caused by toe seam
  • Wool-on-wool system adds an extra layer of wool to the heel and toe areas for shock-absorption and durability
  • Made with odor-reducing New Zealand Zque Merino wool

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Here's what others have to say...


Techy Socks!

    I wore these in the Utah desert last week and they kept my feet cool in hot temps! They also didn't smell after two days and no washing!



      Just like any smartwool sock. Its going to be a great sock. Odor preventing, comfortable,and well made