100% Merino Wool Trailbreaker Women's Full Zip Hoodie - Midweight
100% Merino Wool Trailbreaker Women's Full Zip Hoodie - Midweight
100% Merino Wool Trailbreaker Women's Full Zip Hoodie - Midweight
100% Merino Wool Trailbreaker Women's Full Zip Hoodie - Midweight
100% Merino Wool Trailbreaker Women's Full Zip Hoodie - Midweight
100% Merino Wool Trailbreaker Women's Full Zip Hoodie - Midweight
100% Merino Wool Trailbreaker Women's Full Zip Hoodie - Midweight

Trailbreaker Women's Full Zip Hoodie


Regular price$139.99
Shipping calculated at checkout.
Size chart


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
XXL 20 to 22 44-45 35-37 44-45 28.5-29.5 30-32
XXXL 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.

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Our Guarantee
woman winter hiking wearing midweight navy blue crew top long sleeve woman hiking at night wearing midweight 1/4 zip

Merino Wool

Versatile and comfortable, our Merino Wool will always have your back. Designed as a three-season garment, our Midweight works great as either a base or mid layer.

Midweight Details

Our Midweight styles have all the same natural qualities as our Lightweight Merino Wool, with greater insulation. Minus33 Merino Wool Clothing is perfect as a base layer for a day on the slopes or as an emergency pullover when a cold front rolls in just before you summit.

235 g/m2

Interlock Knit

18.5 Micron

100% Merino Wool (Woolverino 85% Merino Wool)
UPF Rating 50+

Compare Weights


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

Seasons: Spring, Fall, Winter.

High Activity Temperatures: 0°F to 30°F

Low Activity Temperatures: 30°F to 60°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


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


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. 



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.

Customer Reviews

Based on 5 reviews
Robin Eschenbruecher
nice long sleeves

I am about 5' 6.5", narrow shoulders, long arms. This piece is soft and fits great. Not all Minus33 tops have long enough sleeves to fit me. I have been wearing this over a lightweight merino long sleeve crew and it's cozy. I like the gray material with black sleeves. I'd buy it again. I haven't worn it out exercising yet but I think it would work out well in that regard. I haven't seen how it wears up with washing yet but as long as I wash with cold water and lay out to dry, I'm hoping it will stay nice.

Hello Robin!
Thank you for taking the time to leave us a review! The Woolverino Trailbreaker Women's Full Zip Hoodie - Midweight is a great piece for outdoor activity! Let us know how it works for you.
-Katie P.

Amazing wool hoodie!

Love everything about this hoodie. The wool density, the color scheme, the warmth, the light weight. Bought the women's version one size up because I look better in gray with black accents than men's black with gray accents. Best thing about garment is that it fits nicely and moves with me. So many other hoodies I've tried are too bulky and too heavy; they "hang around" me. This Minus 33 Hoodie gives me a nice wool hug all day long!


Super happy to hear you love everything about our Woolverino Trailbreaker Women's Full Zip Hoodie.

Thank you for the great review!

Stay Safe

-Jeannie T.

My go-to hoodie!

This hoodie jacket is soft, comfy, warm, stylish and practical. I like my wool sports clothes to do double duty for casual wear too and this jacket fits the bill. I can hike or bike in it then hang out in town and look good. It's a nice in-between weight, light enough for summer summits and evenings and warm enough for spring wear and for fall/winter layering. This style has a long body and arms and covers my hips, which is especially nice when I'm wearing leggings. I'm a long limbed 5'9", 140lbs and got a large for layering. I think I could comfortably wear a medium too but it may be more fitted around my ample butt. Pockets are very generous for my phone, gloves, earbuds and wallet but I try and keep things light cause the fabric is soft & stretchy. Would love to see more colors, in jewel tones. It's been my go-to "sweater" for spring, summer, fall. It's beginning to pill some so I'll see what I can do about that. I just grab this jacket and a windbreaker when I'm heading out the door and I'm ready for the day's adventures!


We are pleased to hear that you are enjoying your Minus33 100% Merino Wool Trailbreaker Full Zip Hoodie! Thank you for the detailed review.

-Steven D

Great Jacket

This jacket has great pockets (large enough to fit my phone and still be zippered up) and I like the fit because it is roomy enough for a layer underneath, but I’m not swimming in it. I haven’t worn it in weather that is too cold yet, but it kept me warm during my morning walk in the 40s with just a light T-shirt underneath. It is softer than other wool zip up hoodies I have looked at that were a similar weight. I also appreciate the fact that the whole zipper has a guard (not just the top part near your chin) so there’s always a piece of fabric between the zipper and my base layer. All of the features of this jacket were well thought out.


Thank you for the great review! Happy to hear how much you like your jacket.

-Jeannie T.

Amy P
Great hoodie!

I love this hoodie. It is really nice and warm. Great for layering now that the weather is getting a little cooler.


Thank you for the great review! Happy to hear you love your hoodie!


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