Here's what other sites are saying:
Get the right sock for your cross-country adventures this winter with SmartWool's PhD Nordic Medium sock. Just the right height for your boot, this Merino wool-blend sock has extra wool padding in high-impact areas to increase the longevity of the sock while the 4-point compression system gives you a snug fit that doesn't end up sagging at the end of the day.
- Mountain Gear
2NDS . Comfortable, performance-rated merino wool is the superstar of SmartWooland#39;s 2013 PhD Nordic ski socks, featuring a cozy, midweight warmth, soft underfoot cushion and strategic vent zones for breathability. Available Colors: LIGHT GREY, BLACK. Sizes: M, L, S, XL.
- Sierra Trading Post
It doesn't take a doctor to know that warmth is key during ski season, but the SmartWool PhD Nordic Medium Sock will nevertheless instruct your toes in the ways of comfort. If every class you ever took involved being insulated with itch-free, super comfy merino wool, school might not have been quite so painful.
Specifically designed for the Nordic enthusiast, the Smartwool PhD Nordic Medium Socks for Men are the most innovative Nordic Socks available. The Smartwool 4-Degree Fit System and Wool on Wool Technology, along with dense toe and heel cushioning made the PhD Nordic Light Socks ideal for long tours and all-day comfort.
- Altrec Outlet
The ideal cold-weather Nordic sock with medium cushioning, SmartWool adds more wool in higher impact zones to increase durability without extra bulk.
Smartwool Phd Nordic Light Sock
Smartwool PhD Ski Medium Sock
$18 - $25
Smartwool PhD Snowboard Medium
Smartwool Ski Medium Sock
Smartwool PhD Ski Light Sock
$17 - $24
Darn Tough Over-the-Calf Light
Darn Tough RFL Over-the-Calf Ultra-Light
Smartwool PhD Ski Ultra Light Sock
$16 - $22