Free 2-Day Shipping on Orders Over $50*

Detail Images

  • SmartWool - 3/4 Back
  • SmartWool - PhD Outdoor Light Micro Sock - Light Gray
  • SmartWool - PhD Outdoor Light Micro Sock - Charcoal
  • SmartWool - PhD Outdoor Light Micro Sock - Fossil
  • SmartWool - PhD Outdoor Light Micro Sock - Taupe
  • SmartWool - 3/4 Back -

Current Color

  • SmartWool - PhD Outdoor Light Micro Sock - Light Gray
  • SmartWool - PhD Outdoor Light Micro Sock - Charcoal
  • SmartWool - PhD Outdoor Light Micro Sock - Fossil
  • SmartWool - PhD Outdoor Light Micro Sock - Taupe

SmartWool PhD Outdoor Light Micro Sock

$17.95

Free 2-Day shipping on orders over $50*

Select a Size:

Select options
  • Select options
    • M
    • L
    • XL

    Select a Color:

    Select options
  • Select options
    • Light Gray
    • Charcoal
    • Fossil
    • Taupe
    5539

    39 Reviews

    Details

    Go outside and get moving.

    Capable of handling arduous uphill treks and rambling trail runs with equal aplomb, the Smartwool PhD Outdoor Light Micro Sock combines a performance blend fabric with unwavering fit for supreme comfort in demanding terrain. Merino wool regulates temperature to keep you comfy through the ups and downs of your journeys, nylon enhances durability, and a touch of spandex adds movement-conforming stretch. Smartwool's 4 Degree Elite Fit System ensures your socks won't slip or bunch halfway through your hike, and light cushioning relieves impacts when you're making your way across rugged terrain.

    • Lightweight performance with all-sport versatility
    • Soft merino wool regulates temperature
    • Blended with synthetics for stretch and durability
    • Flat knit toe seam relieves pressure points
    • 4 Degree Elite Fit System won't slip
    • Light cushion is ideal for variable terrain
    • Item #SWL00MU

    Tech Specs

    Material
    60% merino wool, 38% nylon, 2% elastane
    Height
    1.5 in
    Weight
    lightweight
    Cushion
    light
    Recommended Use
    hiking & camping
    Manufacturer Warranty
    2 years

    Tech Specs

    • Reviews
    • Q & A

    What do you think about this product?

    Have questions about this product?

    Running, hiking, every day comfy

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

    I love the Smartwool socks for everything. The shorter ones for trailrunning, like these, and the bigger ones for alpine hikes and skiing. You can't go wrong with their products. They also keep well several days without washing (sorry for the detail...)

    My go-to everyday sock

      I got a few pair of these because they fit great and are very comfortable. They provide just enough support and are breathable too.

      Can never have enough smartwool socks

      Cushion and comfort

      • Familiarity: I've used it once or twice and have initial impressions

      These socks provide great cushion and comfort for those long runs and hikes. The cushioned tab on the opening of the sock adds even more appreciated comfort, helping to prevent rubbing and blisters. These socks stay in place with the best of them as well!

      be smart with your feet

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

      Don't use lame basic cotton socks for those active days. These feel great and are very comfortable hiking, biking, walking, etc.. just wear them everyday. Your feet deserve the best.

      Comfortable, great exercising socks!

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

      I've used these for running, biking & walking. Great quality of socks that dry quickly & are comfortable. They are a tad thicker than the socks I've previously worn but as long as you don't have very snug shoes, I highly recommend these.

      Passed the 48 hour test

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

      These are becoming my new favorite sock. I decided to put these through the 48-hour test. 16 hours of warehouse work 2 workouts so you can say a gave them a run for their money. There was no noticeable odor, my wife's nose is pretty keen on smell and she lets me know about it. after that much time in a cotton sock, it would have become floppy losing their elasticity. even after the second gym session they felt just as supportive. I've washed these several times and still like new. Perfect sock for hiking or backpacking.

      Passed the 48 hour test

      Smart wool Ph.D.

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

      So far these socks have performed very well. No blisters even when sopping wet. I paired these with Merrell yakotas, wore them to work for ten hour days, wore them on trail packed snow multiple times and on hard surfaces. Everything about this sock is what I wanted in it and performed like it should. I wear a 9-9.5 and bought the larges, bought three pairs. Recommended

      Favorite

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

      These are definitely my favorite socks. Great for running and hiking or just everyday use, which is what I use them for the most. If you're looking for a low cut do everything sock, look no further than these.

      Great for hikes or running

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

      These are great for a variety of activities. While they certainly keep your toes toasty in colder temps, I don't typically have an issue when the thermometer runs into the 80s. My feet don't sweat much, I guess, and the natural merino fiber keeps the sweat that does happen in check. Definitely recommend anything in Smartwool's PhD series. I got the mediums which are on the small end of the spectrum for shoe size 9-10 but they fit well.

      Great for hikes or running

      Solid sock - maybe a bit too solid

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

      So I really like this sock. It's comfortable and has some good cushion. But I find that most days I'm going jogging my sub-conscious is looking for other socks first. I think it's because the sock is a little too thick. Might be better for the day hike than the morning jog.

      EXCELLENT!

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

      These socks are great and worth every penny! Super comfortable and supportive. Even after days of hiking in them they hold their shape and don't stretch out into a floppy mess. I highly recommend picking up a pair.

      Best Sock Out There!

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

      There is not a better low profile sock out there in my opinion. If you like to wear socks that barely show with your tennis shoes then you need to buy these.
      Smartwool did a great job addressing the huge problem that small socks have, sliding off your feet and bunching up in your shoe. Smartwool has conquered this problem with Magic. You can put these socks on and never worry about them falling off. Super comfy and soft. I will be buying several more pairs.

      Favorite sock on the market

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

      I own about dozen pairs of these socks. They've held up remarkably well. From every day wear to running, biking, and even trail hiking these socks keep my feet in good shape.