Embrace the Cold. Go Further.
Built for serious cold-weather pursuits, the Adventure Heavyweight Over-the-Calf Alpaca Socks deliver unmatched warmth, cushioning, and durability for long days in the backcountry or on the job. Whether you're hiking through snow, sitting in a treestand, or working outdoors all winter, these socks are engineered to keep your feet dry, warm, and blister-free.
Trusted by hunters, ranchers, linemen, and extreme weather adventurers. When conditions are brutal, Altera keeps your feet adventure-ready.