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It only takes one walk, workout, or hike in the SmartWool Women's PhD Outdoor Ultra Light Micro Sock to understand why cotton or other blended versions can't compete. The effective blend of nature's finest fiber and functional synthetics means you suffer less soggy foot and more happy trails, and super-low cut means your ankle has plenty of breathing room.

  • Blended composition maximizes the benefits of each separate material while minimizing fabric drawbacks
  • Soft merino wool breathes well, helps regulate body temperature, and is naturally odor resistant
  • Nylon components dry quickly, breathe well, and add extra durability
  • 4Degree Elite Fit system employs ankle, instep, and arch elastic bands for a snug fit, support, and circulation
  • ReliaWool tech on the bottom of the sock combines high-density impact zones along the ball and heel for long-lasting protection
  • Mesh zones allow heat and moisture to escape quickly to promote faster drying to reduce swamp foot
  • Virtually seamless toe construction limits irritation and chafing

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SmartWool PhD Outdoor Ultra Light Micro Sock - Women's

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Here's what others have to say...

5 5

Jess Dunn

Member since 
Groups:
  • Gender: Female
  • Familiarity: I've put it through the wringer

The Smartwool PhD line are some of my favorite socks, and these were no exception. I use these for hiking and running. Keep my feet cool and I like the snug support under my arches.

5 5

Teresa M

Member since 
  • Gender: Female
  • Familiarity: I've used it several times

Some of the same great things are still there about this version of Smartwool's sock compared to earlier versions- anti-stink wool, fun colors, nice and fitted- but I just wanted to comment that the new toe box, which is tapered and not square, is much better. I wear size 7.5-7 women's and size M is great for me. I wear these running and also for everyday wear. It takes a couple wears before you have to wash them.