FALL IS HERE

STAY COMFORTABLE
WITH MERINO WOOL

Merino Wool for Hiking, Camping, Hunting and More
Mountain Heritage USA Made Wool Socks
PREORDER NOW

MOUNTAIN HERITAGE
WOOL SOCKS

MADE IN NEW HAMPSHIRE, USA
Men's Chugach Expedition Wool Bottoms for Hunting Zip Off
NEW STYLE

CHUGACH EXPEDITION
ZIP-OFF BOTTOMS

A game changer for your hunting kit
Olive Drab and Tan 499 Merino Wool Base Layers
NEW COLORS

Olive Drab Green
Tan 499

Now available in select styles
Minus33 Best Selling Merino Wool Ridge Cuff Beanie
Best Seller

Ridge Cuff
Wool Beanie

New Colors Now Available

Our Fabric Weights

4 different fabric weights gives you plenty of options for year-round wool wearing. Merino sheep's coats have naturally adapted over time to help them survive in many extreme environments. Wool is great as an insulation tool, or to help block the sun and wick moisture away.

Learn which weight is best for you.

Man Wearing Minus33 Micro Weight Merino Wool T-Shirt While Hiking on Beach
145 g/m2

Micro

Featherlike, ultralight merino wool, great as a solo layer or as a base layer in your layering system. Micro weight is perfect for high output activities such as hiking, skiing, and training.
Couple on Beach Wearing Minus33 Lightweight Merino Wool T-Shirt Tank Top Backpacking
170 g/m2

Lightweight

Offers great UV protection while still being light enough to wear as a solo layer in the sun. Lightweight is also good as a thin base layer when you want to minimize bulk.
Couple Wearing Minus33 Midweight Merino Wool Base Layer Outfits
235 g/m2

Midweight

Our midweight items are our best sellers because they're the most versatile. These three-season layers are perfect solo in late fall/early spring, and one of the softest, most comfortable base layers you can find for winter activities.
Man Wearing Minus33 Expedition Weight Merino Wool Balaclava
380-400 g/m2

Expedition

Our Expedition weight is one of the thickest and warmest layers on the market. Add it as a base or mid-layer to your system for a real game changer. You'll be amazed by how much longer you can stay out in the cold.

Why Choose Merino Wool?

Say goodbye to the stereotypes you may have heard about old school wool, and say hello to super soft, comfortable, easy to care for merino wool. Qualities like high insulation and low air permeability have now made merino wool a performance favorite for outdoor apparel, socks and thermal underwear. 

Machine Wash and Dry

Minus33 Merino Wool is also machine washable and dry-able, thanks to Total Easy Care technology. Developments initiated by Australian Wool Innovation and the Woolmark Company have delivered Merino Wool garments that are no longer hand-wash only. Learn all about caring for merino wool.

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. Minus33 Merino Wool Clothing 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.

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