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Mountain Heritage Heavyweight Merino Wool Crew Socks
When temperatures drop and the day demands more from your feet, these heavyweight merino wool crew socks from Minus 33 deliver. Made in the USA by a fifth-generation New Hampshire textile family, the Mountain Heritage sock wraps your feet in 80% Australian merino wool with full terry cushioning throughout. Whether you're ice fishing on a frozen lake, posted up in a deer stand, or working outside in single digits, this is the sock that keeps up.
Features
- 80% Merino Wool, 11% Nylon, 7% Stretch Nylon, 2% Spandex
- Heavyweight construction for serious cold weather
- Full terry cushioning throughout the sock
- Full foot plating for extra durability on the footbed
- Seamless toe for smooth, blister-free comfort
- Crew height sits comfortably at the bottom of the calf
- Australian merino wool, made in the USA
- Naturally moisture-wicking, breathable, and odor-resistant
Fabric & Fit
Merino wool makes up the bulk of this sock for good reason—it regulates temperature, wicks moisture, and keeps insulating even when damp. The nylon and stretch nylon add shape and durability without sacrificing that high merino content. These are thick, substantial socks built for boots.
Sizing
Available in S, M, L, and XL. Sizing runs unisex based on shoe size:
- Small: Men's 3-5.5 / Women's 4-6.5
- Medium: Men's 6-8.5 / Women's 7-9.5
- Large: Men's 9-11.5 / Women's 10-12.5
- XL: Men's 12-14.5 / Women's 13+
Color Palette
Denim Heather and Gray Heather are versatile neutrals that work across all palettes—browse our Neutral Essentials for more. Wine and Olive bring rich, muted warmth perfect for Earthy palettes. Denim Heather's cool undertones also complement Serene palettes beautifully.
Care Instructions
Machine wash cold on gentle cycle with like colors. Use a mild or wool-specific detergent—we recommend M33 Nikwax Wool Wash for best results. Tumble dry low. Do not use fabric softener or bleach. For long-term storage, place in an airtight container.
Warranty
These socks are backed by Minus 33's 5-year manufacturer's warranty. For any warranty claims, please contact Minus 33 directly through their website.
Complete Your Look
Browse our full Merino Wool Collection for layers that work as hard as you do.
When temperatures drop and the day demands more from your feet, these heavyweight merino wool crew socks from Minus 33 deliver. Made in the USA by a fifth-generation New Hampshire textile family, the Mountain Heritage sock wraps your feet in 80% Australian merino wool with full terry cushioning throughout. Whether you're ice fishing on a frozen lake, posted up in a deer stand, or working outside in single digits, this is the sock that keeps up.
Features
- 80% Merino Wool, 11% Nylon, 7% Stretch Nylon, 2% Spandex
- Heavyweight construction for serious cold weather
- Full terry cushioning throughout the sock
- Full foot plating for extra durability on the footbed
- Seamless toe for smooth, blister-free comfort
- Crew height sits comfortably at the bottom of the calf
- Australian merino wool, made in the USA
- Naturally moisture-wicking, breathable, and odor-resistant
Fabric & Fit
Merino wool makes up the bulk of this sock for good reason—it regulates temperature, wicks moisture, and keeps insulating even when damp. The nylon and stretch nylon add shape and durability without sacrificing that high merino content. These are thick, substantial socks built for boots.
Sizing
Available in S, M, L, and XL. Sizing runs unisex based on shoe size:
- Small: Men's 3-5.5 / Women's 4-6.5
- Medium: Men's 6-8.5 / Women's 7-9.5
- Large: Men's 9-11.5 / Women's 10-12.5
- XL: Men's 12-14.5 / Women's 13+
Color Palette
Denim Heather and Gray Heather are versatile neutrals that work across all palettes—browse our Neutral Essentials for more. Wine and Olive bring rich, muted warmth perfect for Earthy palettes. Denim Heather's cool undertones also complement Serene palettes beautifully.
Care Instructions
Machine wash cold on gentle cycle with like colors. Use a mild or wool-specific detergent—we recommend M33 Nikwax Wool Wash for best results. Tumble dry low. Do not use fabric softener or bleach. For long-term storage, place in an airtight container.
Warranty
These socks are backed by Minus 33's 5-year manufacturer's warranty. For any warranty claims, please contact Minus 33 directly through their website.
Complete Your Look
Browse our full Merino Wool Collection for layers that work as hard as you do.