Mountain Heritage Heavyweight Merino Wool Mountaineer Over the Calf Socks
When the coldest days arrive—the ones where you can't imagine stepping outside—these socks become your best friend. The Mountain Heritage Mountaineer is built to be our warmest sock, designed for winter mountaineering, ice fishing, hunting in frigid temps, or just shoveling the driveway when it's well below freezing. The full-length over the calf height extends all the way to the knee, keeping your entire lower leg protected. Full terry cushioning throughout delivers maximum warmth, while the 80% merino wool content keeps feet dry and odor-free even through long, cold days. Made in the USA with a 5-year warranty.
Why You'll Love These Socks
- 80% merino wool blended with nylon and spandex for durability and fit
- Full-length over the calf height extends to the knee
- Full terry cushioning throughout for maximum warmth
- Reinforced heel and toe plating for long-lasting wear
- Seamless toe construction prevents irritation and blisters
- Naturally moisture-wicking and odor-resistant
- Made in the USA
Size & Fit
Available in sizes S through XL:
- S: Women's 4-6.5 / Men's 3-5.5
- M: Women's 7-9.5 / Men's 6-8.5
- L: Women's 10-12.5 / Men's 9-11.5
- XL: Women's 13+ / Men's 12+
Care Instructions
Machine wash cold on gentle cycle with mild or wool-specific detergent like M33 Nikwax Wool Wash. Tumble dry on low heat. Store in an airtight container when not in use for extended periods. Never use fabric softener or bleach.
Complete Your Look
Pair with heavyweight base layers for a complete cold weather system. Explore our full Merino Wool Collection from Minus 33, a 5th-generation New Hampshire family business with over a century of textile expertise.
Mountain Heritage Heavyweight Merino Wool Mountaineer Over the Calf Socks
When the coldest days arrive—the ones where you can't imagine stepping outside—these socks become your best friend. The Mountain Heritage Mountaineer is built to be our warmest sock, designed for winter mountaineering, ice fishing, hunting in frigid temps, or just shoveling the driveway when it's well below freezing. The full-length over the calf height extends all the way to the knee, keeping your entire lower leg protected. Full terry cushioning throughout delivers maximum warmth, while the 80% merino wool content keeps feet dry and odor-free even through long, cold days. Made in the USA with a 5-year warranty.
Why You'll Love These Socks
- 80% merino wool blended with nylon and spandex for durability and fit
- Full-length over the calf height extends to the knee
- Full terry cushioning throughout for maximum warmth
- Reinforced heel and toe plating for long-lasting wear
- Seamless toe construction prevents irritation and blisters
- Naturally moisture-wicking and odor-resistant
- Made in the USA
Size & Fit
Available in sizes S through XL:
- S: Women's 4-6.5 / Men's 3-5.5
- M: Women's 7-9.5 / Men's 6-8.5
- L: Women's 10-12.5 / Men's 9-11.5
- XL: Women's 13+ / Men's 12+
Care Instructions
Machine wash cold on gentle cycle with mild or wool-specific detergent like M33 Nikwax Wool Wash. Tumble dry on low heat. Store in an airtight container when not in use for extended periods. Never use fabric softener or bleach.
Complete Your Look
Pair with heavyweight base layers for a complete cold weather system. Explore our full Merino Wool Collection from Minus 33, a 5th-generation New Hampshire family business with over a century of textile expertise.