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Outdoor Research
Alpine Onset Crew - Women's

3.9 out of 5 stars
10 Reviews
Current price: $44.48 - $64.32 Original price: $98.95
Up to 50% off


Size Chart


Why We Like The Outdoor Research Alpine Onset Crew

Whether hiking the backcountry or spending a day at the resort, we need a base layer like the Outdoor Research Alpine Onset Crew to help keep us warm and comfortable. Its mixture of merino wool and recycled polyester provides excellent moisture management, odor control, and durability, while the no-chafe flat seam construction keeps our skin comfortable as we spend the day outdoors.


  • A next-to-skin base layer for winter expeditions
  • Built with a mixture of merino wool and recycled polyester
  • Fabric construction is naturally anti-odor and moisture-wicking
  • UPF 30 rating keeps us protected from the sun
  • No-chafe flat seams and raglan sleeves offer superior comfort
  • Item #ODRZ8IY
Responsible Collection
47% merino wool, 47% recycled polyester, 6% elastane
Center Back Length
natural property of merino wool
UPF Rating
Claimed Weight
skiing, snowboarding, showshoeing, winter training
Manufacturer Warranty

Overall Rating

4 based on 10 ratings

Review Summary

1 Stars - 1 reviews
2 Stars - 2 reviews
3 Stars - 0 reviews
4 Stars - 1 reviews
5 Stars - 6 reviews

Fits Slightly Large

Screen reader users: the following list provides a visual scale to illustrate the product fit. Please refer to the heading above for the fit type in text.
Runs smallTrue to sizeRuns large

What do you think about this product?


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2 out of 5 stars

February 21, 2024

Rough Fabric

I returned this product before using it
Size Bought:
5' 4"

The shirt looks nice and fits me fine but the fabric is very rough, definitely not something I want next to my skin. Sadly, going back.

Karen D
5 out of 5 stars

December 25, 2023

Great base layer

Size Bought:
5' 7"

I have 3 different versions of this top now. It’s a great base layer. I think it runs a bit large, since size small fits me and isn’t tight. I’m 5’7” and 140lb and medium would be huge on me.

Laura V
5 out of 5 stars

December 3, 2022

Perfect baselayer

Keeps me warm, lightweight and helps with sweat too! True to size.


Originally reviewed on

1 out of 5 stars

March 10, 2022

This does not feel like a base layer to me

I was in need of a new base layer and was excited to see the merino wool crewneck. When I opened the package, I was very surprised and thought that I had received the wrong item. It is very thin, so thin that it is see through. Does not feel like a warm material at all. I will be returning.

Katie lady

Originally reviewed on

5 out of 5 stars

March 2, 2022

A great basic for my apparel quiver

I've put it through the wringer
Size Bought:
5' 4"

The Alpine Onset has lived in my apparel quiver for a couple years now, and it is my go to for an active, cold weather base layer. It's comfortable, dries quickly, and is much less expensive than a 100% wool alternative. Having the wool content allows it to feel comfortable against my skin, but the synthetic content allows it to dry more quickly and last longer. It is clearly more durable than my 100% base layers and I can wash and dry it without fear of it shrinking! YAY! You will love it! Leta OR Rep

Leta K
5 out of 5 stars

February 7, 2022

Warm and cozy base

I use as my base layer on hikes when it is around a freezing temperature. Always keeps me warm!


Originally reviewed on

5 out of 5 stars

February 6, 2022

Best fitting wool crew!

All the wool companies are making the long sleeve crews now, but none are long enough to go past the waist and really stay tucked in! Also, OR's is shaped perfectly for a female body - comfortable sculpting, but not ridiculously narrow. People who are sensitive to the texture of wool might struggle with it...not the softest out there, but I have zero issues with it.


Originally reviewed on

5 out of 5 stars

January 23, 2022

Comfortable, warm fit

The merino layer top kept me warm and dry during a day of skiing. It was slightly itchy on my sensitive skin but very tolerable. I'll be buying more merino pieces from OR now.


Originally reviewed on

2 out of 5 stars

December 26, 2021

Odd fit, scratchy material

As another reviewer mentioned, the material is too scratchy to make a comfortable base layer. I also found the fit around the shoulders and arms to be uncomfortably tight. The seams rub on your skin there as well, making it difficult to wear for long periods of time. I'm 5' 2", 110lbs and the XS fit great everywhere else.


Originally reviewed on

4 out of 5 stars

December 20, 2021

Nice...but itchy

This is a great baselayer and I love the fact that it uses wool, not just synthetic fibers. The fit is good; not too tight or loose. I'm 5'10, 150lbs and the medium is perfect. I took one star off because the material is too scratchy and not soft enough for a next-to-skin layer.


Originally reviewed on