Merino 250 Baselayer Crew - Men's
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Warm, odor-resistant Merino 250 Baselayer Crew for cold missions and everyday layering
What Our Gearhead® Experts Are Saying:
"Merino 250 is my go-to when temps drop. It breathes on climbs, insulates on windy lifts, and never gets funky. The slim fit layers cleanly under a shell and those flatlock seams and smooth shoulders mean zero hot spots under a pack."
We trust Smartwool’s Merino 250 Baselayer Crew when winter finally bites. The Merino 250 Baselayer Crew settles in as our first layer from dawn skintracks to frosty dog walks, and Smartwool’s soft 100% merino keeps us comfortable when the forecast can’t make up its mind.
Naturally thermoregulating and odor-resistant, this midweight knit holds in heat without stifling on the uphill. Flatlock seams and smooth shoulder panels reduce friction beneath pack straps, while a slim, next-to-skin fit disappears under midlayers and shells for streamlined warmth on ski days, hikes, and cold commutes.
Details
- Warm baselayer crew that can be worn alone or layered
- Toasty baselayer for your frigid on-mountain pursuits
- Merino wool construction for optimal thermoregulation
- Flatlock seams reduce friction for comfortable movement
- Smooth shoulder panels increase pack-wearing comfort
- Slim fit reduces bulk for layering ease
- Item #SWLZ86T
- Material
- 100% merino wool
- Insulation Weight
- midweight (250gsm)
- Fit
- slim
- Center Back Length
- [medium] 27.5in
- Style
- crew
- Anti-Odor
- natural attribute of merino wool
- Claimed Weight
- 9oz
- Activity
- skiing, snowboarding, winter camping, mountaineering, hiking
- Manufacturer Warranty
- 2 year
Reviews
Q&A
What do you think about this product?
Overall Rating
4.5 based on 22 ratings
Review Summary
Fits True To Size
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.Customer Images
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Selecting an option will reload the available reviews on the pageFebruary 27, 2025
The classic thermo wool base layer
- Familiarity:
- I've put it through the wringer
- Size Bought:
- S
This is my gold standard for thermo wool base layer. Very classic and works well. No frills.
January 28, 2025
Wonderful warmth
- Familiarity:
- I've used it several times
- Size Bought:
- Large
This is the perfect base layer! It regulates your body temperature perfectly! Never too hot always just right!
January 6, 2025
Excellent
- Familiarity:
- I've used it several times
- Size Bought:
- xl
I am very happy with the fit and quality of this garment
January 3, 2025
January 1, 2025
Love the design and the brand but fail
- Familiarity:
- I've put it through the wringer
- Size Bought:
- Medium
I have a ton of smart wool clothing. This one immediately got a hole in it.
December 30, 2024
Checks all the boxes ☑️☑️☑️
- Familiarity:
- I've used it once or twice and have initial impressions
- Size Bought:
- M
Great fit, style and warmth. Small criticism; color, in ad, looked more cadmium than the ochre it is.
December 23, 2024
Love these shirts
- Familiarity:
- I've used it several times
- Size Bought:
- Large
Merino wool that can be machine washed and dried is the best. I have a bunch of these for daily wear and love this one with slightly higher weight.
October 9, 2024
Can't go wrong with Smartwool.
- Familiarity:
- I've used it several times
- Size Bought:
- Small
As always the merino 250 baselayer is consistent with previous purchases. Keeps me warm from Georgoa to Norway. Worth the full price as well.
September 15, 2024
Smartwool Merino 250 base layer
- Familiarity:
- I've put it through the wringer
- Size Bought:
- Xl
Perfect base layer to wear under a 3 layer Gore Jacket in winter in the mountains.
May 17, 2024
Do you have a question about this product?
November 18, 2020
is it machine washable
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