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More technology than your feet will ever know about.

Wool-On-Wool technology adds a second layer of wool to the Smartwool Women's PhD Ski Mid Sock, so it's even better at holding heat, not to mention more sustainable as well. This over-the-calf sock has Smartwool's 4-Degree Banded Fit system and Strategic Mesh Zones, for perfectly smooth in-boot feel and efficient moisture management. The padded impact zones protect your shin, toes, and heel, and the mid-weight thickness makes the PhD Ski Mid ideal for very cold days in lower-volume boots.

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SmartWool PhD Ski Medium Sock - Women's

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Here's what others have to say...

3 5

Small around calf

  • Gender: Female
  • Familiarity: I returned this product before using it

I wear a size 8.5 and ordered the medium thinking they would work just fine. While they fit perfectly in the foot area, they were VERY tight on my calf area. I had to return them as it would be hard to ski in these since they were so tight at the top. Be aware of this if you have an athletic build at all. I have no doubt about the quality of the just wasn't the right fit for me.

5 5

Love them!

I'm a big fan of Smartwool. I wear these socks when I ski. They are comfortable and keep me warm.

5 5

Love my SmartWool socks!

I bought these for skiing and they were perfect. I get super cold feet, so I have a lot of SmartWool socks as they keep my feet warm, but aren't too thick where my boots are too tight. Love the colors of these ones too. I'm a 7 with narrow feet, and the medium are perfect.

4 5

Good O'l Pair

I purchased a number of ski socks all at once and these are my favorite of the bunch. They are warm and don't slouch after hours in ski boots. They nicely wick moisture, but tend to remain damp at the toes until I remove my boots and air them out for 15 or 20 minutes. I recommend if you like tighter socks that don't stretch.

5 5

Steller Sock!

True to size. Life happens and i ended up wear these for 3 snowy days outside in a row! Yes then reeked, but they still held their shape and did not fall down my calf. Very warm sock!

4 5

Warmest ski sock I've found

These are super warm and fit really, really well- no strange lumps or bumps in your ski boots with these babies! They keep my toes warmer than the similar stoic and bridgedale socks I have. I'll keep buying them. Smartwool knows what's up.

5 5


Warm, snug, comfy. Totally want more of these in my life.

5 5

Present for the wife-Great choice

I bought a pair of these for my wife and a pair for me (men's version) for our ski trip. They were outstanding. They kept our feet warm and dry while remaining breathable. Very comfortable and not too thick.

5 5

SmartWool PHD Ski Mid Sock- Women's

We recently went skiing for the first time even in Chamonix France. We live in the Cayman Islands where the average temperate is 80 degrees so being cold was a major worrier for my whole family. I purchased these socks for all the women in the group (4) and they were fantastic. I used them every day and even just with my regular boots. I highly recommend them. My feet never felt cold and they were true to fit.

5 5

Smartwool is the Best

Having always worn Smartwool socks for their incredible comfort and wicking abilities, I purchased a few pairs for my wife. New to the sport of skiing, and afraid of having cold feet while in ski boots.....she tried her first pair of Smartwool ski socks. It is now year 6 in her skiing life....and she has never complained of cold, wet feet. She is a confirmed believer in Smartwool. Our family will never buy anything else...Smartwool is the best.

5 5

Feel Good!

I don't ski, but use these socks with my boots when I ride my motorcycle. They feel good and cushion my feet while sitting in the saddle on long distant rides. Wish I had some years ago!
Ride safe! Enjoy the outdoors no matter the reason you wear SmartWool!

5 5

Groovy socks!

Smartwool are the only ski socks I will use. I'm always grabbing them up when I find them on sale (which is not very often up her in Calgary). Me likey!!!

5 5


These socks are great. They are cushioned just enough and warm.