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Run free with the PhD.

The Merino-blend SmartWool Women's PhD Running Light Micro Socks keep your feet cool and comfortable whether you're pushing yourself through grueling training sessions or blasting through race day. Thoughtful design and a minimalist approach work together to give these socks a barely-there feel while the smart blend of fibers helps keep your feet comfortable and dry.

  • Merino wool blended with nylon and a touch of elastane helps regulate temperature, wick moisture, and give you a great fit
  • Minimal design forgoes excess cushioning in favor of a natural foot-to-earth feel
  • Micro height hits just below your ankle bone to keep your legs feeling cool and carefree
  • Padded Achilles tabs protects the back of your ankles from blisters and abrasion

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Here's what others have to say...

4 5

Grab the poppy color!

These socks are super light but very comfortable and cushioned. I can't get away from merino wool socks, they dry fast, don't hold odor, and keep your feet at a great tempature. Smartwool has very good quality, these socks will last you. Very durable! I do have a bit of a sizing issue with these socks. I wear size 5.5/6.0 US womens and the size Sm is a little bit to large.