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Protect your toes from the bitter cold temperatures when you pull on the soft and smooth PhD Ski Medium Sock. This SmartWool sock features midweight merino wool, supportive elastic construction, and cushioning at the shin and forefoot. Gone are the days of frostbite and shin bang; now it's time to enjoy winter again.

  • Merino wool material insulates, breathes, and is naturally resistant to the bacteria that cause odors
  • Nylon and elastane synthetic fibers help this sock dry quick and give it some flexible stretch
  • 4-Degree Fit features an ankle band, upper instep band, lower instep band, and arch band for support
  • WOW Technology uses two layers of wool (Wool on Wool) for extra cushioning at the heel and forefoot
  • Mesh panels allow sweat and hot air to move away from your foot

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SmartWool PhD Ski Medium Sock

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Here's what others have to say...

4 5

low volume foot size 8

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

This is the sock. BEST in my drawer.
i love these socks!
I don't loose one. and have a miss matched.
this is the go to.
i have a very low volume foot and these keep them warm. I feel i have good contact with the boot and they have held up well. compression for my size 8 foot is great with the M size. I love this sock

4 5

My go-to sock...

  • Familiarity: I've put it through the wringer

The medium weight cushion is perfect for everyday riding, never get too warm or too cold. Comfortable, just make sure when you wash them, let them air dry. I'm on my third pair of these in a few seasons... they hold up, but could be slightly more durable.

5 5

No More Searching for the Ultimate Socks

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

I was skeptical about paying $25 for a pair of socks compared to what you can buy "wool" socks or Synthetic Socks for at the Outlets from top top manufacturers. No more, after taking the plunge and buying two pairs of the Smartwool socks I am completely sold and will buy a few more pairs, not only for Skiing, but for other activities as well. Last year I Skied with some Outlet Socks from the top athletic wear manufacturers and got my shin skinned and blistered. I got to the point I was taping up my shins - and losing all the hair in the process - and it was uncomfortable going for more than two days straight. This year I decided to try the Smartwool Phd Medium Ski and my advice is to run, click, do whatever to get these before you Ski again. The socks are the ultimate, they provide unprecedented support and cushioning where you need it, they wick sweat away, they retain elasticity - especially for a large calf person like me -, they do not retain odor - at least I only used them two days in a row max -, and they appear very durable.

I don't know if it is the Merino Wool, but they have done something in the process that give these socks all the features of synthetics and maintain the warmth and feel of wool. I am totally happy with these socks and the only drawback is that the colors are limited. You may have to consider the other options - Light, Racer, etc if you want more options. I have heard that Wigwam and Point6 are also creditable alternatives, but it may be a while before I try those.

4 5

I'm a fan

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

I've put many miles on these socks, whether it be skiing, landscaping, running around town hitting the bars, hiking to climbing routes, running around town hitting the bars, operating machinery after running around town hitting the bars, and these socks have held up fantastically. For overall function, I feel these are better suited for me as a general use winter sock. They are honestly a little too big for a performance-fit ski boot (try the Ski Racer sock: http://www.backcountry.com/smartwool-phd-ski-racer-sock?ti=U2VhcmNoIFJlc3VsdHM6c2tpIHJhY2VyOjE6Mjpza2kgcmFjZXI)
While compared to what your grandparents gave you as stocking stuffers, these are low profile, thin fitting socks, I did still find I got much better circulation and overall warmth out of a lightweight sock in comparison to these. If your boots are a lighter looser fitting, which one might term a "comfort fit", these would be great for you.

While I have determined these to be true to size (I went with the Large and I wear a 10 in street shoes and running around the bars shoes, and I don't think I should have gone with anything smaller or large), these socks did seem to bunch up in places around my toes and ankle, which made them feel a bit sloppy at times.

Aside from that, I was pleased.

5 5

No more cold toes

  • Familiarity: I gave it as a gift, but have feedback to share
  • Fit: True to size

Gave these as a gift to my husband who is always getting shin bang and has horrible circulation in his feet. These socks have helped SO much with the extra padding in the shins and the toes. LOVE SmartWool!

4 5

SmartWool or bust

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

I can't believe how good smartwool is. It really makes a massive difference. These socks are nicer than my other SmartWool socks I picked up at sports authority, but I wish they had extra padding in the shin area like my other socks. I'm not sure what the white line is even there for. There is no difference in material.

5 5

nice

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

really warm and well cushioned! work great in stiff boots to keep your feet as comfortable as they can be.

4 5

Too thick for me, but well made and warm

  • Familiarity: I've used it several times

These are definitely on the thicker end of the "medium" spectrum but well made for sure. Just not for me

5 5

Nothing beats merino

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

These are the perfect socks for a cold ski day. I wore them up at Snowbird a few days ago. It was -10 up top and my toes felt fine. They got cold after a couple hours, but hey, it was a cold one.
These socks are thick, snug, and comfy. Allowing you to have a perfect day on the mountain, without having to stop at the lodge every couple runs. I got the silver, and the colors and design are awesome!
They fit true to size, just follow the sizing chart on this page and you should be good to go.

5 5

Best Socks Around

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

Hands down the best ski socks around!

5 5

Very Comfortable

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

I have used these socks a few times so far and they are great. They are very comfortable and my feet have not been cold yet. They provide a great amount of cushion for the bottom of my feet as well as my shins. The sizing on these socks is pretty true to the sizing chart. This is typically the type of ski sock that I will have 2-3 pairs of because they work so well.

4 5

Great days start with great socks

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

These are warm and snug fitting. They do have quite a bit of stretch to them. I like the structure of the elastane because it really helps keep the sock in place. They do seem to be peeling a bit faster than my Icebreaker socks but the new WOW or wool on wool technology will lend to greater longevity, especially where padded sections meet the thinner sections. Turn them inside out when you wash them to get the sweat and dead skin out. If you aren't riding with merino socks, you don't even know what you're missing. GET SOME!!

Responded on

Wise words from a true gear sage:

"Great days start with great socks"

5 5

quality

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

amazing socks for the super cold days and all the days in between. they dry fast and dont get crunchy after 2 days of use. 3 pairs of these for 7 days winter camping and skiing every day and my feet never got swampy or cold. five stars

5 5

A Doctorate in socks

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

The PhD sock is amazing. I bought one pair to start, and picked up another 3-4 pairs because they were so awesome! Wool is the only way!

5 5

Hands down, the best ski sock I've used

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

I have skied for over 20 years and tried loads of different types of socks, these are by far the best I've found. I have a performance fit on my boots and found this weight to be just perfect. i also sweat like... well i sweat a lot and these keep my feet dry and warm. I wear a size 10 shoe and went for size M and that worked out great, i always get ski socks a little small to avoid the dreaded heel pocket on the Achilles problem and these fit perfect.

5 5

There can only be ONE!

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

This is hands down the BEST ski sock available. I prefer the medium weight as I don't like a lot of material between my foot and boot, but still prefer to stay warm. Very comfortable sock, i have never gotten any hot spots or blisters, and they wick very well. Every other sock I've used simply fails in comparison.

5 5

Merino is perfect

Warm and comfy! Love these socks.

5 5

Great Ski Socks

I get on the hill over a hundred days a year, and I ski these everyday. They are a great fit, well padded and warm. I rotate through two pairs, but even with all the use and washings, they have worn extremely well. Excellent ski sock choice.

5 5

Merino Rules

These are called ski socks, but they are useful for just about any winter activity. Heck, I even wear them during other seasons in a pinch. They are very comfortable and the extra cushioning is in just the right spots. Well done, Smartwool!

5 5

Great

Warm, fits well, looks great. Will buy more

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