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Smartwool Performance Run Ultra Light Micro Running Sock - Women's

up to 20% Off
sale $13.56 - $16.95

PhD Run Ultra Light Micro Running Sock

The Smartwool PhD Run Ultra Light Micro Running Sock gets you through extensive miles in comfort. Whether you're running a long race or are spending a season getting in shape, the Indestructawool and Shred Shield technologies deliver durability and reduce wear and tear for sock longevity. Mesh ventilation zones provide moisture management and breathability for runs on warm afternoons while the merino fibers repel unwanted odors to keep you fresh through the miles.

  • Ultra-light running socks for comfort when logging extensive miles
  • Indestructawool technology delivers high durability and comfort
  • Shred Shield technology reduces wear and tear in the toe area
  • Merino fibers naturally repel unwanted odors for lasting freshness
  • Mesh ventilation provides moisture management and breathability
  • Achilles tab prevents sock from slipping into your running shoe
  • Virtually Seamless toe design helps eliminate rubbing and blisters
  • Item #SWL01AD

48% merino wool, 48% nylon, 4% elastane
Recommended Use
road running, trail running
Manufacturer Warranty
2 years

Tech Specs

What do you think about this product?


>Rating: 2

Slips down heel

I've used it once or twice and have initial impressions
True to size

I am looking for a thin sock for trail running in warm weather. I tried these on to walk my dog and they already started slipping off my heels as soon as I walked out the door, which is the most annoying thing. Can't return them since I've already worn them. I recommend Icebreakers over these. I wear a women's size 6-6.5 and purchased these socks in small.

>Rating: 2


I've used it several times

Have only had these for a few months and have worn them a handful of times. Found a hole in one sock, the other sock shrunk to the point it no longer fits my foot. Bummed as I really liked these socks at first and they weren’t inexpensive.

>Rating: 5

Switch to Smartwool PhD

I've put it through the wringer

About a year ago I bought my first pair of Smartwool PhD socks. I have been slowly replacing all of my running socks with these. They keep my feet dry and they stay in place for long runs. No seams, no chafing, no blisters.

>Rating: 5

Smartwool PhD Run Ultra Light Micro Running

I've used it several times

LOVE these socks! stay in place doesn't slip a bit. keeps my feet dry all day long which helps eliminate rubbing and blisters on my toes, use these everyday!! want more!! your the best SMARTWOOL!!!!!