Just like the Mini Crew, these Merino wool socks feature a full bed of cushioning throughout the entire sock, but with a little more height. For those days when you need a sock with a few more inches, these crew socks have all the best features with the most comfortable cushioning, standing up to colder temperatures and harsher conditions.
Fabric
- Fiber Content: 66% Merino Wool, 22% Nylon, 11% Stretch Nylon, 1% Spandex
- Total Easy Care: Machine Wash and Dry
- Wool Source: Australia
- Made in New Hampshire, USA!
Features
- Height: Crew - Sits comfortably at the bottom of the calf. This is the most common sock height.
- Weight: Lightweight
- Cushion: Full Insulation - A full terry covers the inside of the sock giving you total coverage for when things start to chill.
- Y-Heel: Y-heel style helps create a perfect pocket for your heel, for a no-slip fit.
- 3 Zone Elastic: Elastic on the arch, ankle, and welt opening help keep your sock in place throughout the day.
- Vented Zones: Venting on the top of the sock lets your feet air out and stay cool
- Heel/Toe Plating: Extra durability on the heel and toe keeps socks long-lasting
- Seamless Toe: Smooth, comfortable finish on the toe
- Wool/Nylon Yarn: Our Mountain Heritage sock collection uses wool/nylon yarn technology, which creates a durable sock with high wool content.
- Weight: 68 grams (Pair)
- Style #: S55
Uses
- Ideal Seasons: Spring, Fall, Winter
- Activities: Everyday Wear, Hiking, Camping, Biking, Fishing, Hunting
Care
Washing and Drying Instructions - Learn More
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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
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30 Day Satisfaction Guarantee - Return Policy
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5 Year Manufacturers Warranty - Learn More
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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:
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Microweight (145 GSM): UPF 20
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Lightweight (170 GSM): UPF 25
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Midweight (235 GSM): UPF 50+
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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.
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A SOCK OVERHAUL
We got our sock machines set up in May of 2019, and hit the ground running. We knew our customers wanted a sock for every occasion, with heights and cushion levels for all activities. By combining our historic textile knowledge, and using what we learned after redesigning our classic sock styles, we were able to envision a brand new sock collection that could truly meet your needs.
YARN SELECTIONS

WOOL/NYLON YARNS
We dialed in our yarn selection, using a combination of merino/nylon as the main body of the socks. These yarns deliver a high merino wool content, with the extra durability of nylon.

HIGH WOOL CONTENT
We have packed in huge quantities of wool next to your skin, using the synthetics only as needed to improve fit and durability.

TECHNICAL FEATURES
Stretch nylon yarns are light enough to keep the merino content high while giving shape and fit to the sock. Lightweight plating also adds durability to high wear zones on the heel and toe.
I've been slowly switching my socks over to Merino wool. I bought from another popular brand but love these so much more. They are more comfortable, have some stretch to them and fit great. I thought they would be the thickness of a dress sock but they are a little thicker. Next I'm going to try the micro weight.
Good Afternoon Elaine,
Thank you so much for taking the time to reach out to us to let us know how much you are loving our Lightweight Mountain Heritage socks. Our micro weight socks are a great option for a lighter, cooler fit. Please let us know if you have any questions!
Best,
Sierra S
Minus33 socks are excellent. They soften more after first washing. I bought the crew size based on the review that said it stood 2" above an 8" military combat boot. That sounded tall enough for me. But for my 7.5 foot, 5'4" 117# frame a size medium stands at a true crew height 4" above my ankle. I hope our reviews help with size ordering. As for me, I'll head over and order the boot height.
Hi Kj,
Thank you for taking the time to leave us a review for our Lightweight - Crew Wool Socks Mountain Heritage. We're glad to hear that you are enjoying the softness of our socks after washing.
We appreciate your feedback on the sizing of our crew socks. We will definitely take your comments into consideration when it comes to helping other customers with their size ordering.
Thank you again for your review and for choosing Minus33. Happy adventuring!
Best,
Minus33 Customer Service Team
Timely delivery and a great product. Quality socks.
Hi there,
Thank you for taking the time to leave a review for our Lightweight - Crew Wool Socks Mountain Heritage. We're so glad to hear that you received your order on time and that you are happy with the quality of our socks. We strive to provide our customers with the best products and service possible. If you ever need assistance with anything, please don't hesitate to reach out to us. Happy adventures!
]
I sweat a lot. I usually change my socks 2-4 times a day. In my mind wool is fit warmth so I never would have thought of wool for daily warm weather wear. I heard about minus33 through a Big Woods Bucks event and decided to give them a try. I will never buy a different sock. These are very comfortable and I wear them 2 days in a row! Amazing.
Joshua,
Thank you so much for taking the time to leave a review for our Lightweight Mountain Heritage Crew Wool Socks. We are so glad to hear that they have exceeded your expectations and have become your go-to socks for daily wear. We are happy to know that our product has helped you manage your sweat and provide comfort throughout the day. Thank you for choosing Minus33 and we look forward to providing you with more amazing socks in the future!
Best,
-Minus33