Name: Heavyweight Wool Socks Over the Calf | USA Made
Brand: Minus33 Merino Wool Clothing
SKU: 9402GHS
Price: 25.99 USD
Availability: InStock

heavyweight wool socks. winter mountaineering socks for extreme cold thermal warmth over the calf. View 0.

heavyweight wool socks. winter mountaineering socks for extreme cold thermal warmth over the calf. View 1.

heavyweight wool socks. winter mountaineering socks for extreme cold thermal warmth over the calf

heavyweight wool socks. winter mountaineering socks for extreme cold thermal warmth over the calf, single sock, toe-facing front view

$25.99

HEIGHT:OVER THE CALF

WEIGHT

Color — Gray Heather

Gray Heather

Denim Heather

Olive

Wine

Size

Size chart

Socks Size Chart

Shoe Size	Men US	Women US	Kids US	Euro	UK
S	3-5.5	4-6.5	3-4.5	34-37	2-4.5
M	6-8.5	7-9.5	5-7	38-41	5-7.5
L	9-11.5	10-12.5	-	42-45	8-10.5
XL	12-14.5	13+	-	46-49	11-13.5

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Quantity

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{"id":36645200494753,"title":"Gray Heather \/ S","option1":"Gray Heather","option2":"S","option3":null,"sku":"9402GHS","requires_shipping":true,"taxable":true,"featured_image":{"id":44866451603694,"product_id":4448564707465,"position":1,"created_at":"2025-09-02T11:51:05-04:00","updated_at":"2025-09-04T10:37:58-04:00","alt":"heavyweight wool socks. winter mountaineering socks for extreme cold thermal warmth over the calf. View 0. #color_gray-heather","width":1200,"height":1200,"src":"\/\/minus33.com\/cdn\/shop\/files\/heavyweight_wool_socks._winter_mountaineering_socks_for_extreme_cold_thermal_warmth_over_the_calf_S99GH-0.jpg?v=1756996678","variant_ids":[36645200494753,44854521561326,44854521594094,44854521626862]},"available":true,"name":"Heavyweight Wool Socks Over the Calf | USA Made - Gray Heather \/ S","public_title":"Gray Heather \/ S","options":["Gray Heather","S"],"price":2599,"weight":168,"compare_at_price":null,"inventory_management":"shopify","barcode":"879955006548","featured_media":{"alt":"heavyweight wool socks. winter mountaineering socks for extreme cold thermal warmth over the calf. View 0. #color_gray-heather","id":36713958899950,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1200,"width":1200,"src":"\/\/minus33.com\/cdn\/shop\/files\/heavyweight_wool_socks._winter_mountaineering_socks_for_extreme_cold_thermal_warmth_over_the_calf_S99GH-0.jpg?v=1756996678"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}

The Heavyweight Mountaineering sock was built to be our warmest sock for winter mountaineering. On the coldest days, when you can't even imagine going outside, this sock will become your best friend. A perfect fit for any cold-weather exploration, frigid adventure, or just shoveling the driveway snow, it delivers time and again. Don't get caught without them!

Fabric

Fiber Content: 80% Merino Wool, 10% Nylon, 9% Stretch Nylon, 1% Spandex
Total Easy Care: Machine Wash and Dry
Wool Source: Australia
Made in the USA.

Features

Height: Full Length - For when you need a sock that comes all the way up to the knee.
Weight: Heavyweight
Full Terry: Warm merino cushioning throughout the sock
Full Foot Plating: Extra durability on the footbed
Seamless Toe: Smooth, comfortable finish on the toe
Weight: Size Large = 5.6 oz. (159 grams)
Style #: 9402

Uses

Ideal Seasons: Fall, Winter
Activities: Indoor Wear, Camping, Ice Fishing, Hunting, Snowsports, Cold Weather Outdoor Work

Care

Washing and Drying Instructions - Learn More

Machine Wash Cold: Gentle cycle with like colors
Detergent: Mild or wool-specific
Tumble Dry: Low heat
Storage: Place in an airtight container when not in use for long periods of time
Do NOT Use: Fabric softener or bleach!

Guarantee / Warranty

30 Day Satisfaction Guarantee - Return Policy
5 Year Manufacturers Warranty - Learn More
Excellent Quality - Customer Service

Benefits of Merino Wool

Moisture Wicking
Merino wool is the best fiber to regulate moisture. It does this by absorbing sweat from your skin and releasing it into the air. Whether you're hiking, running, biking, on the job, or just relaxing at home, our wool helps keep you dry and comfortable all day long.

Soft & Comfortable
Merino wool fibers are much finer than traditional wool, creating a luxuriously soft feel that won’t itch or irritate your skin. Comfortable enough for everyday wear and gentle enough for sensitive skin, it’s a natural choice for underwear, base layers and next-to-skin comfort.

Highly Breathable
Merino wool’s unique structure allows air to circulate freely, helping to regulate your body temperature in both hot and cold weather conditions. Whether you're layering up for winter or staying cool in summer, Merino keeps you comfortable by letting your skin breathe.

Anti-Microbial
Merino wool naturally resists odor-causing bacteria, keeping you fresher for longer. No lingering smells, even after extended wear. Perfect for travel, outdoor adventures, and everyday life.

Insulates When Wet
Merino wool can hold up to 30% of its weight in moisture without feeling wet or clammy against the skin. Unlike cotton or synthetic fabrics, it keeps insulating when damp, making it a smart choice for unpredictable weather and high-output activity.

Fire Resistant
Merino wool is naturally fire-resistant and self-extinguishing. It will not melt or stick to your skin like synthetic fabrics. A trusted option for first responders, campfire safety, or any high-heat environment.

UV Protection
Our Merino wool clothing helps protect you from the sun’s harmful rays, with different levels of UPF based on fabric weight:

Microweight (145 GSM): UPF 20
Lightweight (170 GSM): UPF 25
Midweight (245 GSM): UPF 50+
Heavyweight (400 GSM): UPF 50+

These natural UV-blocking properties make Merino wool ideal for long days or the beach or above treeline.

Renewable and Sustainable
Merino wool is a natural, biodegradable fiber with a low environmental footprint. Grown by Australian Merino sheep and shorn seasonally, it is a renewable material that supports responsible farming practices.

Socks Made IN NH-USA

Guaranteed For 5 Years
7 Weights | 5 Heights
Year-Round Performance
Machine Wash & Dry

Our NH-made socks are crafted from premium Merino wool for year-round performance. Warm without bulk, breathable on the move, and built to last, they’re ready for hiking, work, or everyday wear. Made right here in New Hampshire with quality you can feel. Learn more about our NH-made sock story and buying guide here.

Benefits of Merino Wool

Our Merino Wool Is Machine Wash & Dryable

Merino Wool Is Naturally Temperature regulating

5 stars: 93 (94%)
4 stars: 6 (6%)
3 stars: 0 (0%)
2 stars: 0 (0%)
1 star: 0 (0%)

Gray Heather / L

👍

Denim Heather / L

Great for fishing.

Excellent sock for cold winter fishing. I use them for in-stream with Excellent).

Denim Heather / L

Height: 6'1"

Weight: 205 #

Primary Activity: Hiking

i'm buying 2 more

i'm buying 2 more pairs

Gray Heather / L

No more cold feet

Purchased for my husband who works outside and always gets cold feet. After a day in these, he said “they’re a gal changer! No cold feet.” I’ve since ordered more. Thanks Minus33 for these life changing socks!

Gray Heather / L

Height: 5'9"

Weight: 195 Pounds

Primary Activity: Workwear

Great socks

Great socks. Very comfortable and going to last a long time. It's nice to have a pair of wool socks that are actually tall enough to wear with my logging boots that actually separate the leather of my boot from my skin. I will be ordering more!!!

Gray Heather / XL

Height: Over the calf

Weight: Heavy weight

Primary Activity: Workwear

Very warm socks

Very warm socks. My only complaint is that they are too tight for me. My shoe size is 10.5 and I bought XL. I wish they were offered in a size that was loose fitting.

Absolutely the best socks I’ve ever put on my feet!

Gray Heather / L

Amazing socks!!

I got these socks as a freebie with my order and I couldn’t be happier!! My husband gushed over how cushiony and warm they were on a below-zero workday.

Gray Heather / L

Height: 5'9"

Weight: 168

Primary Activity: Casual / Lifestyle

Heavyweight Wool Socks

Very well made, comfortable,and very warm.Happy with my purchase

Gray Heather / M

Great padded warm sock for serious walking or

Great padded warm sock for serious walking or hiking

Denim Heather / L

Height: 5’ 10”

Weight: 185

Very warm socks! Love

Very warm socks! Love them

Olive / M

Love them! So warm and wonderful up in Maine I

Love them! So warm and wonderful up in Maine I really need these
Thank you.

Gray Heather / XL

Height: 6.3

Weight: 180

Primary Activity: Hunting

The most comfortable socks I've ever worn

The most comfortable socks I've ever worn. I have worn the same pair for the last 7 days straight since they arrived!

Gray Heather / L

Height: 5' 10"

Weight: 218

Primary Activity: Workwear

Very warm socks and last for a long time

Very warm socks and last for a long time.

Olive / XL

Height: Good height for work boots

Weight: nice and thick, heavy weight

These are thick and warm

These are thick and warm. They are very comfortable

Olive / XL

Height: 6 ft

Weight: 195

Primary Activity: Hiking

I've been looking to replace the expedition

I've been looking to replace the expedition weight smart wall that I fell in love with years ago because they don't make it in green anymore and I have tried at least 10 things that suck I love this product The problem is after trying one to see how I liked it I wanted to buy seven more and they're out of stock killing me

Gray Heather / XL

Height: 5'10"

Weight: 170

Very

Very nice

So thick, I'm walking on clouds

Wine / S

True to size, thick, warm

True to size, thick, warm. Smells real. Packaging was good.

These things are extremely comfortable and warm!!!!

Gray Heather / L

Height: 5'4"

Weight: 130

Primary Activity: Snowsports

Nice thick sock for boots

Nice thick sock for boots.

Thanks so much for the 5-star review! We’re glad you’re enjoying the thick, cozy comfort of our Mountaineer socks! Perfect for keeping your feet warm in boots!

Denim Heather / XL

Height: 5' 11"

Weight: 233

Primary Activity: Hunting

Warm toasty and comfy

Just tried these the other morning bow hunting. My feet get extremely cold and very easily from injuries I sustained. It was 37 degrees out and my boots had little insulation, and these kept my old tootsies toasty I strongly recommend these.

Hi there,

thank you so much for taking the time to leave a review for our Heavyweight Mountaineer Over the Calf Socks. We're thrilled to hear that they kept your feet warm and comfortable during your hunting trip. We're proud to provide high-quality products that can withstand even the chilliest temperatures. Thank you for recommending our socks - we truly appreciate it! Happy hunting!

The Minus33 Team

Olive / L

Height: 6'3

Weight: 220lbs

Primary Activity: Hunting

great wool sock keeps for feet warm in the tree

great wool sock keeps for feet warm in the tree stand on those cold morning hunts.

Olive / L

Height: 5’8”

Weight: 125

Primary Activity: Hiking

Very nice and warm very soft these are my sixth

Very nice and warm very soft these are my sixth pairs I’ve purchase so I bought over the for my last winter

Thank you for taking the time to leave a review! We are happy to hear that you are enjoying our Heavyweight - Mountaineer Over the Calf Socks. We appreciate your continued support and hope they keep you warm during the winter season. Thank you for choosing Mountain Heritage.

Olive / L

Height: 5’10”

Weight: 176

Primary Activity: Hiking

Comfort for the cold

Comfort for the cold. Made in USA which means a lot.

Thank you for taking the time to leave a review for our Heavyweight - Mountaineer Over the Calf Socks Mountain Heritage. We are thrilled to hear that they provided you with comfort during the cold weather. We take pride in the fact that our products are made in the USA, and we are glad that it means a lot to you. We appreciate your support and hope to continue providing you with high-quality products. Happy adventuring!

Olive / L

Primary Activity: Workwear

Great Socks!

A very thick and heavy sock indeed! Well-made, comfortable and warm. These rank right up there with the great socks I have had in the past (i.e. Filson, Patagonia, Smart Wool and Dachstein). Nothing against this great sock, however, one must account for its thickness when purchasing boots or shoes. Otherwise, they could feel tight and uncomfortable. I will be back to get more in the future.

Heavyweight Over the Calf Wool Socks Made in New Hampshire

Socks Size Chart

Features

Uses

Care

Guarantee / Warranty

Benefits of Merino Wool

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Socks Made IN NH-USA

Benefits of Merino Wool

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Heavyweight Over the Calf Wool Socks Made in New Hampshire

Socks Size Chart

Features

Uses

Care

Guarantee / Warranty

Benefits of Merino Wool

You may also like

Socks Made IN NH-USA

Benefits of Merino Wool

THE MINUS33 DIFFERENCE

SUSTAINABLE & ETHICAL

GIVING BACK &

SAVING LIVES

SATISFACTIONGuarantee

5TH GENERATIONFAMILY-OWNED

SUSTAINABLE & ETHICAL

GIVING BACK &

SAVING LIVES

SATISFACTIONGuarantee

5TH GENERATIONFAMILY-OWNED

SUSTAINABLE
& ETHICAL

SATISFACTION
Guarantee

5TH GENERATION
FAMILY-OWNED

SUSTAINABLE
& ETHICAL

SATISFACTION
Guarantee

5TH GENERATION
FAMILY-OWNED