How to Choose Base Layers
Sale Ends Sep 1
Outdoor Research Alpine Onset Merino 150 Crew Base Layer Top - Men's
Sale Ends Sep 1
$79.19Compared to $99.00 Save 20%
Layer up for active outdoor adventures with this lightweight Outdoor Research crew base layer top. The merino wool blend dries quickly and wicks moisture. And the hood provides full-coverage warmth.
- Made with a non-mulesed merino wool blend that's soft to the touch and moves and stretches with the body
- The lightweight construction provides breathable warmth without the bulk
- Lightweight fabric (150 g/m2) dries quickly and wicks moisture
- UPF 30 protection allows for layer-shedding while still protecting from the sun
- Flatseam construction ensures chafe-free performance
- Raglan sleeves and thumbholes are thoughtful additions for dialed-in fit and function
- Fabric is naturally resistant to odors
Imported.
View all Outdoor Research Men's Base Layer Tops| Best Use | Multisport |
|---|---|
| Shirt Type | T-shirt |
| Fabric | 53% merino wool/42% polyester/5% LYCRA spandex |
| Sun-Protective Fabric | Yes |
| UPF Rating | 30 |
| Moisture Wicking | Yes |
| Quick Drying | Yes |
| Underwear Weight | Lightweight |
| Sleeve Length | Long Sleeve |
| Gender | Men's |
Outdoor Research Clothing - Men's
| XS | S | M | L | XL | XXL | XXXL | 28 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 38 | 40 | 42 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chest | 33.5 - 36 | 36 - 38.5 | 38.5 - 41.5 | 41.5 - 44.5 | 44.5 - 48 | 48 - 52 | 52 - 56 | |||||||||||
| Sleeve Length | 31.5 | 32.5 | 33.5 | 34.5 | 35.5 | 36 | 36.5 | |||||||||||
| Waist | 26.5 - 29 | 29 - 31.5 | 31.5 - 34.5 | 34.5 - 37.5 | 37.5 - 41.5 | 41.5 - 45.5 | 45.5 - 50 | 29.5 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 39 | 41 | 43 |
| Hip | 32.5 - 35 | 35 - 37.5 | 37.5 - 40.5 | 40.5 - 43.5 | 43.5 - 46 | 46 - 49.5 | 49.5 - 53 | 35.5 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44.5 | 46 | 47.5 |
| Inseam | 31.5 | 31.5 | 32 | 32.5 | 33 | 33 | 33 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 |
Sizing Notes
Measurements are stated in inches unless otherwise indicated.
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Bob27
Idaho
Most useful layer in my closet
8 months ago
I just got back from a cross country ski trip, and could t stop thinking about how much I love my shirt. I have the old version of this and it is the most useful piece of clothing I own (hopefully they haven’t changed much between this and the old one). I use it as a base layer from September to May and keep it as a warm layer otherwise. It is the first warm piece of gear that goes into my bag. It never smells, despite wearing it for days on end while backpacking. It dries so quickly and is super comfortable. After owning it for roughly 5+ years, it still looks great. I have other merino pieces that have bitten the dust and started to get threads but this one has kept its quality. Definitely will purchase again, just don’t need to yet haha.
Fashion style:Athletic
Originally posted on outdoorresearch.com
Travis B
Great base layer
1 month ago
For how thin it is, this offers a nice first layer to regulate moisture wicking when layering clothes. I’ve used them for snowboarding and hiking in colder climates and found they work great and are very comfortable. It’s not the softest material but I personally don’t mind the texture.
Originally posted on ExpertVoice.com
Joseph L
2 months ago
Lightweight yet warm, and avoids picking up odors after being worn a couple days in a row. I picked this up for a 6 day backcountry trip and it served me well in 40-50 degree weather
Originally posted on ExpertVoice.com