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Outdoor Research
Alpine Onset Crew - Men's

4.458333333333333 out of 5 stars
24 Reviews
Current price: $54.42 Original price: $98.95
45% off
Color:Charcoal Heather


Size Chart


Why We Like The Alpine Onset Crew

The naturally technical properties of merino wool make the Alpine Onset Crew an amazing companion for our winter-weather adventures. The only way that the ultra-soft, odor-fighting, temperature-regulating wool threads could be improved is with the addition of breathable, moisture-wicking, and earth-friendly Repreve fibers—and Outdoor Research hit the nail on the head.


  • High-demand baselayer top for exploring all winter long
  • Wool-synthetic blend for ultra-soft comfort with techy attributes
  • Merino wool naturally regulates body odor and temperature
  • Repreve recycled polyester wicks moisture and boosts durability
  • Chafe-resistant flat seam construction offers all-day comfort
  • Crew-cut and regular fit best for layering on mountain adventures
  • Item #ODRZ8JT
Responsible Collection
47% merino wool, 47% Repreve (recycled polyester), 6% elastane
Insulation Weight
lightweight (150gsm)
Center Back Length
natural attribute of merino wool
UPF Rating
Claimed Weight
ski, snowboard, snowshoe
Manufacturer Warranty

Overall Rating

4.5 based on 24 ratings

Review Summary

1 Stars - 0 reviews
2 Stars - 1 reviews
3 Stars - 3 reviews
4 Stars - 4 reviews
5 Stars - 16 reviews

What do you think about this product?


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5 out of 5 stars

March 20, 2024

Perfect fit... light and warm.

Exactly what I needed, and the perfect color, too. Great fit for the size. Lightweight while still a warm base layer or light outer layer.


Originally reviewed on

5 out of 5 stars

February 15, 2024

Hot inner layering

warm and soft inner wear. Paired with my HH jacker and I can easily handle -8 C temperatures.


Originally reviewed on

5 out of 5 stars

January 28, 2024

Keeps me warm all the time!

right next to my skin and keeps me warm and dry all the time when I hike in Michigan winter.


Originally reviewed on

5 out of 5 stars

January 4, 2024

Great product

I work in the cold a lot and this is a great baselayer


Originally reviewed on

5 out of 5 stars

December 22, 2023


I absolutely love OR's merino shirts and pants


Originally reviewed on

3 out of 5 stars

November 17, 2023

Warm and breathable but feels cheap

The material is surprisingly coarse for a high end shirt, and while it certainly holds up as intended for outdoor activity it's not exactly something I'd reach for for comfort.


Originally reviewed on

5 out of 5 stars

September 5, 2023

Great Product

[This review was collected as part of a promotion.] Well made wool shirt. Good in every environment.


Originally reviewed on

5 out of 5 stars

August 26, 2023

Warm comfortable base

[This review was collected as part of a promotion.] I keep one in my pack for dramatic weather changes in mountain weather. Works well for me as a light layer to retain some warmth since I usually wear a lightweight shirt (Argon or Echo). Putting a Ferrosi light jacket over this has made a great combo to stay warm and block some wind while packing away compact and lightweight.


Originally reviewed on

4 out of 5 stars

August 1, 2023

Warm but itchy!

[This review was collected as part of a promotion.] It's wool so it's a bit itchy, but if you're ok with that then this is a great choice.


Originally reviewed on

5 out of 5 stars

May 22, 2022

Awesome base layer.

Love this wool base layer. I have two of them. Light yet warm. Oh... the blue camo is awesome too.

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Originally reviewed on