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Wool Clothing for MenWool Clothing for Men
Wool Clothing for WomenWool Clothing for Women
Wool SocksWool Socks
Wool AccessoriesWool Accessories
Wool Thermal UnderwearWool Thermal Underwear
Wool HatsWool Hats Balaclava Neck Gaiter
3 Merino Wool Fabric Weights for All-Season Adventure
  • Lightweight

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    • 170 g/m2 Jersey Knit
    • 17.5 Micron Merino Wool
    • UPF Rating 25

Shop Lightweight
  • Midweight

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    • 230 g/m2 Interlock Knit
    • 18.5 Micron Merino Wool
    • UPF Rating 50+

Shop Midweight
  • Expedition Weight

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    • 400 g/m2 Interlock Knit
    • 18.5 Micron Merino Wool
    • UPF Rating 50+

Shop Expedition
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Flat lock seams allow for ultimate comfort, preventing chafing and allowing your clothes to move with you.
Flat lock seams are stronger, helping your garments last.

Merino Wool MagnifierMerino Wool Flatlock Seam

Years of Wool History

Founded on Tradition and Knowledge

Minus33 Merino Wool Clothing and Wool Baselayer was started with the foundation of providing high quality, warm, comfortable and functional Merino Wool Clothing and Merino Wool Socks to the active and Outdoor community. Read more about our history.

The Merino Advantage


Qualities like high insulation and low air permeability have made Merino Wool a favorite for Outdoor Apparel, Wool Socks and Thermal Wool Underwear. Merino Wool’s moisture management gives athletes an edge in performance.

100% Merino Wool


Merino Wool garments are biodegradable and return to their natural elements. Shear a merino sheep in the morning, and in the afternoon they’re happily nibbling their way towards renewing next season’s clip.

100% Prepared


Merino truly gives the outdoorsmen the best results for your favorite hobbies, careers, and lifestyles. Let Minus33 help keep you prepared for the unpredictable elements of nature so you can make the best out of your experience.

Super Soft and Non-Itchy

Superfine Merino Wool creates a fabric that is soft to the touch, allowing you to stay comfortable all day. Each of our distinct fabric weights utilize small micron measurements in the fibers before they are spun into yarns, keeping you itch-free.

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Flame Retardant

Merino Wool insulates against high temperatures and does not readily catch fire. If it does, it self-extinguishes. When Merino burns, it doesn’t melt and stick to the skin like synthetic fabrics do.

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Machine Wash and Dry

Easy care and easy maintenance. Treat your wool right and you will get the most out of it. Learn more about our easy fabric care.

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UV Protection

Don't worry about sunburn on a sunny day summiting a peak. Lightweight layers have a UPF rating of 25. Midweight and Expedition have a UPF rating of 50+.

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Get the latest news and product updates, and be ready for any special offers or events!


Search Index Page Description Welcome to the Web site for Minus33®, Minus33 Merino Wool Clothing, Wool Leggings, Best Merino Wool Baselayer, Merino Wool Thermal Underwear, Merino Wool socks, Merino Wool Long Johns, Merino Wool Base Layer, Wool Underwear, Wool Long Handles, Wool Sock. Minus33 Merino Wool was founded with the intentions of providing high quality, warm, garments to the Outdoor community. Minus33, is a subsidiary of L. W. Packard in New Hampshire. L. W. Packard a well established woolen mill in New Hampshire has been in business since 1916. Avid wool manufacturing engineers at L. W. Packard were looking for high quality, warm, and comfortable merino wool thermals, merino wool thermal underwear, merino wool long johns for outdoor activities. There is a gap from what is available, from expensive high end poorly made, to low cost inferior constructed synthetic textile garments. With the high demand for both types, prices are expensive to outfit these days. Our finest Merino Wool is put through a special process to create a garment that is washable, dryable and so soft and supple it’s unbelievable. In addition our Minus33 Wool clothing, Wool underwear and Wool baselayer wick moisture away from the skin 30% faster than any synthetic fabric. Even when its scorching hot or at Minus33, while at work, exercising, skiing, snowboarding, or just relaxing, Minus 33 base layer is the most comfortable fabric you have ever worn. We use Australian Merino wool for our outdoor clothing, baselayer, underwear, socks and long johns. Our product is Natural, Renewable, Recyclable, Biodegradable, Odor-resistant, Washable, Dryable, Shrink-resistant, Comfortable, Soft, Non-itchy, Breathable, Absorbent, Insulating, Durable and Flame-retardant. It is also great for Snowmobiling, Skiing, Snowboarding, Hiking, Fishing, Hunting, Snowshoeing, Ice & Rock Climbing, Motorcycling, Bicycling, Jogging, Camping, Construction, Delivery Workers, Emergency Personnel, Linemen and more. Our Merino Wool Basel Layer, garments and socks, require no special treatment or conditioning. Our Merino Wool Base Layer, Wool Thermal Underwear and Socks are machine washable and dryable and are guaranteed not to shrink. Merino Wool Nature’s fiber is both breathable and absorbent, is comfortable next to the skin, and functions well as either a base layer or an outer layer. The natural crimp and properties of Merino Wool Fiber promote insulation to protect against both hot and cold temperatures. Merino Wool actually absorbs heat. When wool absorbs moisture, it creates a molecular energy. Merino wool removes 60 BTUs of heat per ounce of perspiration more than any synthetic. Also, wool contains Amino Acids which actually break down bacteria, unlike any synthetic fiber. Merino wool offers a more natural, renewable, recyclable, biodegradable and durable fabric than that of fossil fuel plastic derivatives such as polyester, polypropylene. How do 50 million New Zealand and 120 million Australian sheep keep from getting cold and hot and stay comfortable year round? Finer Micron Merino wools are not itchy or scratchy. Australian and New Zealand wool growers have refined the wool sorting process to produce soft, durable wool for next to skin applications. Minus33 Merino Wool Clothing uses the finest Merino wools to achieve a soft non-itchy fabric that is the softest and most comfortable you might ever feel! Common Misspellings and interchangeable names include: -33, m33, 33minus, 33 degrees, minus 33, 33-, degree 33, minusthirtythree, minus thirty three, Baselayer and base layer, Thermal Underware and thermal underwear, Long Johns and Longjohns, Leggings and Legging, Merino Wool Long Underwear, Merino Wool Long johns, Wool Long Handles.