A pair of one hundred percent merino wool heavyweight women's base layer bottoms. These bottoms feature a gusset between the legs for improved range of motion, and cuffs around the ankles for comfort and style. #color_burgundy
A pair of one hundred percent merino wool heavyweight women's base layer bottoms. These bottoms feature a gusset between the legs for improved range of motion, and cuffs around the ankles for comfort and style. #color_burgundy
A pair of one hundred percent merino wool heavyweight women's base layer bottoms. These bottoms feature a gusset between the legs for improved range of motion, and cuffs around the ankles for comfort and style. #color_burgundy
A customer review reads, "I really like that this is comfortable and lite, and you don't have to add on a bunch of bulky layers to keep warm." #color_burgundy
A pair of one hundred percent merino wool heavyweight women's base layer bottoms. These bottoms feature a gusset between the legs for improved range of motion, and cuffs around the ankles for comfort and style. #color_black
A pair of one hundred percent merino wool heavyweight women's base layer bottoms. These bottoms feature a gusset between the legs for improved range of motion, and cuffs around the ankles for comfort and style. #color_black
A pair of one hundred percent merino wool heavyweight women's base layer bottoms. These bottoms feature a gusset between the legs for improved range of motion, and cuffs around the ankles for comfort and style. #color_black
In this video, a woman models a pair of one hundred percent merino wool heavyweight women's base layer bottoms. These bottoms feature a gusset between the legs for improved range of motion, and cuffs around the ankles for comfort and style. #color_black
A pair of one hundred percent merino wool heavyweight women's base layer bottoms. These bottoms feature a gusset between the legs for improved range of motion, and cuffs around the ankles for comfort and style. #color_burgundy
A pair of one hundred percent merino wool heavyweight women's base layer bottoms. These bottoms feature a gusset between the legs for improved range of motion, and cuffs around the ankles for comfort and style. #color_burgundy
A pair of one hundred percent merino wool heavyweight women's base layer bottoms. These bottoms feature a gusset between the legs for improved range of motion, and cuffs around the ankles for comfort and style. #color_burgundy
A customer review reads, "I really like that this is comfortable and lite, and you don't have to add on a bunch of bulky layers to keep warm." #color_burgundy
A pair of one hundred percent merino wool heavyweight women's base layer bottoms. These bottoms feature a gusset between the legs for improved range of motion, and cuffs around the ankles for comfort and style. #color_black
A pair of one hundred percent merino wool heavyweight women's base layer bottoms. These bottoms feature a gusset between the legs for improved range of motion, and cuffs around the ankles for comfort and style. #color_black
A pair of one hundred percent merino wool heavyweight women's base layer bottoms. These bottoms feature a gusset between the legs for improved range of motion, and cuffs around the ankles for comfort and style. #color_black
In this video, a woman models a pair of one hundred percent merino wool heavyweight women's base layer bottoms. These bottoms feature a gusset between the legs for improved range of motion, and cuffs around the ankles for comfort and style. #color_black

Heavyweight Kenai Women's Bottom 100% Merino Wool

$139.99
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Lightweight
Midweight
Heavyweight
Color
Size
Size chart

Measurements

Please note, measurements refer to body size, not garment dimensions, unless otherwise noted. Measurements are in inches.



Women's Clothing Size Chart


Size USA Size Chest (in) Waist (in) Hip (in) Shirt Length (in) Inseam (in)
XS 2 32-33 24-25 34-35 23.5-24.5 26-29
S 4 to 6 34-35 26-27 36-37 24.5-25.5 28-30
M 8 to 10 36-38 28-30 38-40 25.5-26.5 29-31
L 12 to 14 39-41 31-33 40-42 26.5-27.5 30-32
XL 16 to 18 42-43 33-35 43-44 27.5-28.5 30-32
2X 20 to 22 44-45 35-37 44-45 28.5-29.5 30-32
3X 24 to 26 46-47 37-39 46-47 29.5-30.5 30-32

How to Measure

Chest: Measure the circumference around the fullest part of your chest, underneath the arms.

Waist: Measure the circumference around the natural waist, near the belly button.

Hip: Measure the circumference around the fullest part of your hips.

Shirt Length: This measurement refers to the approximate size of the shirt back length, from the neck to the bottom hem.

Inseam: Measure from the center of the crotch to the end of the ankle.




Fit Types

Athletic Fit

Regular Fit

Relaxed Fit
Athletic Fit Regular Fit Relaxed Fit

Fits best as: Base Layer

Skin tight, slim, compression style fit. Wear this layer first and add on top of it if needed.

Fits best as: Base Layer, Mid Layer

True to size, standard fit with a little bit of room to breathe, but not too baggy. Perfect on its own or with a t-shirt or thin shirt underneath.

Fits best as: Mid Layer, Insulating Layer, Outer Layer

A little more room than you would find in a Regular fit. Enough space to fit 1-2 layers underneath.

Fit FAQs

What if I am between sizes?

If you are between sizes, we recommend sizing up or down based on what fit type you would prefer, and based on how you plan to wear the piece. Our knitted merino is stretchy and you could realistically go with either size. If you would prefer an Athletic fit, size down. If you prefer a Regular or Relaxed fit, size up.

Do I need to size up/down to layer?

Generally, no, you do not need to purchase a different size than normal. Our base layers are designed to fit right into your current layering system. They are also designed to work with other products in our line, too. You may wish to adjust your sizing if you plan to wear one of our garments in a way that it is not intended, if that's the case please feel free to contact our customer service team for help.

Does your clothing run true to size?

Yes, our clothing runs true to size and is sized similar to most other American brands. If a sizing discrepancy is discovered, you will see fit advice in that product's specific listing.

Not sure what size or fit type you need?

Learn more about layering systems and how they can help you choose. Still need help? Contact our customer service team for personalized advice.
  • In stock, ready to ship
  • Backordered, shipping soon
OEKO-TEX Standard 100

This certified product has been tested against a list of over 1,000 harmful substances, including PFAS.

Our Guarantee

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Heavyweight
MERINO WOOL

On the coldest, darkest nights, you will discover yourself seeking the warmth of Minus33 Merino Wool. Our Heavyweight products are suitable for the coldest climates and true expeditions.

Heavyweight Details

Originally designed for winter mountaineering on Mount Washington, Minus33 Heavyweight clothing has seen action in both the Antarctic and Arctic, and even to the Summit of Mount Everest. Anyone venturing out in the cold will greet our Heavyweight clothing with a warm welcome as either a base, mid or outer layer. When you need to keep the ever-present cold from seeping in, our Heavyweight items will be your best friend.

400 g/m2

Interlock Knit

18.5 Micron

100% Merino Wool
UPF Rating 50+

Compare Weights

RECOMMENDED FOR

Activities: Hiking, Camping, Lifestyle, Snowsports, Hunting, Ice Fishing.

Seasons: Fall, Winter

High Activity Temperatures: 0°F and below

Low Activity Temperatures: 30°F to 0°F

Learn about layering

Why Merino Wool?

two people sitting next to a river wearing merino wool

Moisture Wicking

Minus33 Merino Wool regulates the amount of moisture on your skin by absorbing any moisture or sweat on your body. Then, the absorbed moisture evaporates out of the fabric into the atmosphere.

merino wool tshirt drying in the sun

Anti-Microbial

Merino Wool fibers naturally reject any bacteria in moisture or sweat as it is wicked away, so foot fungus and smelly odor will not be a problem while wearing our products.

woman hiking with her dog crossing a river

Insulates When Wet

Wool will absorb up to 30% of its weight in moisture without feeling wet or clammy. If you do get wet, wool will insulate you better than cotton or polyester materials.

first responder at a fire

Fire Resistant

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.

woman doing yoga on top of a mountain in merino wool base layers

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+.

Australian merino wool sheep

Renewable

Merino Wool has a low environmental footprint and naturally returns to the elements. Shear a merino sheep in the morning, and in the afternoon they’re happily nibbling their way towards renewing next season’s clip. 

Learn about wool benefits

pile of laundry for machine wash and dry instructions for our merino wool products
TOTAL EASY CARE

MACHINE WASH AND DRY

Total Easy Care (TEC) Merino apparel is designed for today's busy lifestyle. Total Easy Care Merino garments are all machine-washable, and are suitable for tumble drying.

Even after frequent laundering they retain an 'as new' appearance. They won't shrink, lose their shape, fade or color-bleed. They remain soft and comfortable for the life of the garment.

Learn More

Customer Reviews

Based on 40 reviews
73%
(29)
13%
(5)
10%
(4)
0%
(0)
5%
(2)
88.6
100.0
M
Mimi (Freeport, US)
Black / XS
Awesome! Tight calf and short length though

Awesome baselayer. I had been looking for a sustainable heavyweight (400g/m2) wool base layer. So glad to find these! I love that they are mid-rise rather than high-rise; it's hard to find mid-rise fits anymore!

My only disappointment is that these run really short! I am only 5'5 and find these are about 2 inches too short. They are also unusually tight in the calf. Expedition girls have calf muscles ;)

Minus33, would you please consider updating next year's version to have longer inseam and more width in the calves? (I found the width everywhere else to be great!)

For reference, I am 5'5', 120lbs, 26in waist, 34in hip, 28yo, and ordered the S.

A
Anna (Ballwin, US)
Comfy and warm but very short

I have two pairs of the (size medium) Franconia mid-weight which I love, but wanted something a little thicker for extra cold days. I bought the same size (medium) in these. They're a good weight, but shorter in the waist AND in the inseam, and just made me mad every time I wore them. I gave them to my 13 year old son (5'1", 90 lb) and he loves them--they actually fit him about like the Franconias fit me (5'6", 160 lb). So 3 stars bc if they fit right, they're lovely, but without a way to predict that, I won't buy this style again.

Anna,

We appreciate your feedback on our Expedition Kenai Women's Bottom. We apologize for any inconvenience caused by the sizing discrepancy you experienced. Our goal is to provide our customers with comfortable and high-quality products, and we regret that this was not the case for you.

We will take note of your comments and use them to improve our sizing chart for future production. We are glad to hear that your son is enjoying the bottoms, and we hope they keep him warm and cozy. Thank you for choosing our brand, and we hope to have the opportunity to serve you better in the future.

Best regards,

The Minuss Customer Service Team

J
Janice Kristmanson Kristmanson (Vancouver, CA)
8 years later

I’ve had the same pair for about 8 years. They are by far the best wool tights I’ve owned. They last and are nice and thick and not itchy . I’ll be buying again when one day.

Hello Janice,
The Expedition - Kenai Women's Bottom 100% Merino Wool is the go to when its cold out! We are happy to hear that you love them just like we do!
-Minus33

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