These extra heavy mountaineering socks are designed to help keep your feet warm and dry even in the harshest conditions. Whether you’re mountaineering, multi-day backpacking, or just shoveling snow in the dead of winter, smart design features like our flat knit toe seam and Smartwool® fit system mixed with ZQ-Certified Merino wool help keep your feet happy.
Smartwool® Fit System
2 Degree fit system with arch and ankle support helps keep sock in place
Extra Heavy Cushion
The ultimate in impact absorption and warmth
We'd love to stay in touch!
Hello - sorry to bother you. Please consider joining our e mail list! We'd love to stay in touch, and promise to send e mail no more than several times a year.