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Performance Outdoor Ultra Light Mini Sock - Men's

4.75 out of 5 stars
28 Reviews

Out of Stock

Don't worry though, we have a lot more Men's Hiking Socks in stock than that.

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PhD Outdoor Ultra Light Mini Sock

Start your hike or run with Smartwool's PhD Outdoor Ultra Light Mini Sock wrapped around your tootsies and prepare to forget about foot discomfort for the rest of your day. With a versatile quarter cuff and Smartwool's thin, durable blend of merino, nylon, and elastane fibers, the sock will pull sweat out of the depths of your shoe to ward off stickiness and subsequent hot spots and blisters, freeing you to look ahead and enjoy the views.


  • Ultralight sock styled for summer hiking
  • Merino wool blend excels at thermal regulation and odor control
  • Ventilation zones amplify airflow and moisture management
  • 4 Degree Elite system ensures a performance-oriented fit
  • Virtually Seamless toe provides a smooth feel top to bottom
  • Item #SWL01BB
48% merino wool, 48% nylon, 4% elastane
Recommended Use
Manufacturer Warranty
2 years

Overall Rating

5 based on 28 ratings

Review Summary

1 Stars - 0 reviews
2 Stars - 1 reviews
3 Stars - 1 reviews
4 Stars - 2 reviews
5 Stars - 24 reviews

Fits True To Size

Screen reader users: the following list provides a visual scale to illustrate the product fit. Please refer to the heading above for the fit type in text.
Runs smallTrue to sizeRuns large

What do you think about this product?


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5 out of 5 stars

August 16, 2021


The socks are used for walking and are very comfortable and durable.


Originally reviewed on

5 out of 5 stars

August 10, 2021

Summer hiking sock for sweaty feet

Perfect thickness for hikers with sweaty feet


Originally reviewed on

5 out of 5 stars

August 8, 2021

perfect amount of sock

rugged and comfortable, just enough sock to help the heel.


Originally reviewed on

5 out of 5 stars

August 1, 2021

Great socks

Great fit and durable.


Originally reviewed on

5 out of 5 stars

July 26, 2021

Great fit and weight, I will definitely buy the again.

Very nice ultra thin weight and great quality.

Daniel L

Originally reviewed on

5 out of 5 stars

July 19, 2021

I plan on only buying Smart Wool Socks.

These are the most comfortable socks I ever owned, I usually buy in an outdoor store. Now I will order online , directly from you

Anthony P

Originally reviewed on

3 out of 5 stars

July 15, 2021

Feel good so far

Bought to work in yard, they are comfortable, I did think they would be thicker for the price, will have to see how they wear

Tim W

Originally reviewed on

5 out of 5 stars

July 8, 2021

Great product.

Hiked in 80 degree weather with a dew point in the 70's. Feet were kept dry.


Originally reviewed on

4 out of 5 stars

July 7, 2021

great cut but super thin

These are cut to fit absolutely perfect. however, I won't buy another pair. so thin, that they're almost shear.

Paul T

Originally reviewed on

5 out of 5 stars

June 23, 2021

Awesome socks! Well worth the money.

I'm on my feet all day and this sock stays in place to prevent sore feet. I love the thin but durable material for the hot summer days in work boots.

Joe D.

Originally reviewed on