This style name is has been updated to Smartwool Athlete Edition Mountaineer Over The Calf Socks. See full listing here.
For those with a healthy obsession of all things ice and heights, the PhD® Pro Mountaineer was designed to support your every move above tree line. With 20-30mmHg of graduated compression, extra friction protection, and a 4 Degree™ elite fit system, your feet will be the last thing on your mind as you hang, clip, and climb your way to any summit.
Knee High Weight:
49% Merino Wool, 43% Nylon, 8% Elastane