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The best part of hiking, walking, running, biking, and plain ol' getting outside is how it makes you feel, both physically and mentally. The worst part is sweaty, stinky feet; the ultra-thin SmartWool Women's PhD Outdoor Ultra Light Mini Sock is designed to keep you focused on the best part. The mini cuff provides ankle coverage without going too slippery-low or hot-high.

  • 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 Mini Sock - Women's

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Here's what others have to say...

5 5

Love these socks!!!

  • Familiarity: I've put it through the wringer
  • Fit: True to size

They are light weight and very durable. They take a beating, I wear them for work socks. I'm in a hospital on my feet all day long they stay in place and breathe.

5 5

Light and comfortable

  • Familiarity: I've used it several times
  • Fit: True to size

Perfect for the summer. Most of my wool socks are padded and heavy - mostly for winter use. I didn't know how much I needed ultralight wool socks until these arrived!

5 5

Wear them everyday

  • Familiarity: I've put it through the wringer

From hiking to biking to running around town, these socks keep my feet dry and happy (and not smelly!).

5 5

Style and comfort

Light, thin, but oh so comfortable. One of the best sock choices out there for everyday and activities. They look good too!

5 5

Needs no introduction

  • Gender: Male
  • Familiarity: I gave it as a gift but have feedback to share

I almost exclusively wear SmartWool socks because I know that they do an excellent job and keeping my feet dry and last a really long time.
I gave these particular pair as a gift, but own several of the men's version in all different thicknesses.
The Ultra Lights are really, really thin. It almost surprised me that they could get away with a sock like this as it doesn't feel like much at all.
Well that was before I put them on. You can hardly notice them once they're on. For biking or skating, or whenever I need the most sensitivity from a sock, I'll slip these on.
Even with being ultra light, they still hold up great to the toughest abuse.