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PhD Graduated Compression Ultra Light Sock

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A smart decision.

Make it an instant repeat with the powerful combination of performance-enhancing Merino and recovery-enhancing compression in Smartwool's PhD Graduated Compression Ultra Light Sock. Smartwool has stocked these run socks with smart features like their 4 Degreeā„¢ elite fit system, men's-specific mesh ventilation zones and a virtually seamless toe.


  • Virtually seamless toe.
  • 20-30 mmHg graduated compression rating.
  • 4 Degree Elite Fit System uses 2 elastics for greater stretch and recovery for a stay-put fit.
  • 200 needle construction provides highest knit density while maintaining ultra light weight.
  • 14" overall height comes up over the calf.
  • Knit in the USA of imported yarn: 50% Merino wool, 41% Nylon, 9% Elastene.
  • Machine washable (warm gentle cycle).

B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.

Discount Codes are not applicable to Closeouts.

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Shoe Size(US Men)03-5.56-8.59-11.512-14.50
Shoe Size(US Wom)04.5-6.57-9.510-12.500
Shoe Size(Eur)034-3738-4142-4546-490

Cuff Height: Crew 


Fabric Type: Wool / Wool Blend