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SmartWool PhD Ultralight Run Socks - Merino Wool (For Women) in Silver
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Information about SmartWool PhD Ultralight Run Socks - Merino Wool (For Women)
2nds. Utilizing an ultralight merino wool blend with ReliaWool Technology in high-density impact zones, SmartWool's PhD Ultralight Run socks excel in mild weather and shorter distances.
  • ZQ itch-free merino wool is temperature regulating, moisture wicking and odor resistant
  • 4-Degree Elite Fit System uses two elastics for greater stretch and recovery to keep the sock in place
  • ReliaWool Technology in high impact areas provides long lasting protection
  • Flat-knit toe seam
  • Alternating 1x1 welt
  • No cushion
  • Limit 12 per year
  • Made in United States of America (yarn imported), Korea, Republic of (yarn imported
  • Visit our Wool Guide
  • US shipments only
Specs about SmartWool PhD Ultralight Run Socks - Merino Wool (For Women)
  • Lightweight
  • Height: Quarter crew
  • Fabric: 54% merino wool, 42% nylon, 4% elastic or, 52% merino wool, 44% nylon, 4% elastic or, 59% merino wool, 37% nylon, 4% elastic
  • Care: Machine wash/dry
  • Made in United States of America (yarn imported), Korea, Republic of (yarn imported
  • Visit our Wool Guide
  • US shipments only

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Most Helpful 5-Star Review

Reviewed by Quality bargain himter from spring lake, mi on Saturday, March 29, 2014
These have the great reinforcement stitching around the foot that make them super comfortable (hence phD styling). I do love the phD best of all smart wools. These are the "thinner" style and feel oh, so luxurious!
I love the little bit of extra height, so they don't slip down under my heel at wo... Read More
Based on 47 reviews: Overall:
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  • Verified Buyer Reviewed by Susie from Sedona on Thursday, May 14, 2015
    These socks are the best! Love the color and feel of the sock.
  • Verified Buyer Reviewed by RuralGrl from San Francisco on Sunday, May 3, 2015
    These are perfect socks for summer! Will be taking them on a Puget Sound boat camping cruise next month. Because they have no cushioning, they will dry quickly. Because they are wool, they won't cause blisters. Wish there were more colors in my size. Got the orange ones that were left, and I don't even care how bright they are. Besides, a visibility color is good for being out on the water and needing to keep everything stowed at all times -- I can find them easily in my duffel.
  • Verified Buyer Reviewed by LKN from Iowa on Tuesday, March 24, 2015
    I love all Smart Wool socks,but especially the ultra light. They are so comfortable and perfect to wear with my hiking shoes and walk/run shoes. I will not wear any other socks.
  • Reviewed by Kathy V from Maryland on Thursday, March 19, 2015
    I'm hooked on Smartwool for running socks. These are great for me, they have no cushioning, which I prefer. These go about an 1.5" above the ankle and have been great so far for 40-60F temp runs. There is no weird seaming on the toes. I am normally sensitive to wool but have zero issues with these. And amazingly there is no stink after even long runs?!
  • Verified Buyer Reviewed by RunDebRun from Florida on Monday, February 9, 2015
    I am not a fan of the colors but I chose these on cost and performance. Definitely the best no rubs/blister socks I have worn. The sizes are very true - buy as close to your own size as you can.

Do you have a question about this product? Get answers from the community and our staff experts!

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  • Question “What shoe size is a medium sock?”
    Asked on 8/6/2014 10:23:27 PM by pbnana from Oregon
    • Answer I wear an 8.5 to a 9.5 running shoe and the medium fits me perfectly.
      Answered on 8/6/2014 11:26:58 PM by Venice runner from CA
    • Answer Generally, a medium runs from a size 6 to size 8. This is a wonderful sock - comfortable, warm but not too hot.
      Answered on 8/7/2014 5:29:24 AM by Betty from Denver
    • Answer Per the package medium fits US Women Size 7-9.5 (US Men 6-8.5, Euro 38-41).
      Answered on 8/7/2014 7:13:22 PM by Icebox Runner from Minnesota
    • Answer 7 to 9-1/2 according to the sizing provided by STP. Simply put the cursor over the "S" "M" or "L" and the size will pop up.
      Answered on 8/7/2014 7:57:04 PM by Sanpan from Palm Harbor FL
    • Answer This style and brand MEDIUM is for womens shoe size 7-9.5. If you click on the s/m/l.....the shoe size pops up right about it. That is the case for most items on this website - especially all socks.
      By the way - these socks are awesome!!!!
      Answered on 8/9/2014 9:39:43 AM by Quality bargain himter from spring lake, MI