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Smartwool
Merino 250 Baselayer 1/4-Zip - Men's

4.6923076923076925 out of 5 stars
13 Reviews

Out of Stock

Don't worry though, we have a lot more Men's Midweight Long Underwear Tops in stock than that.

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Why We Like The Merino 250 Baselayer 1/4-Zip

When it gets cold, the Smartwool Merino 250 Baselayer 1/4-Zip is the top we turn to when the resort's extra cold. Being one of Smartwool’s heaviest merino baselayer options, it excels at thermal regulation in colder climates, and it reduces odor naturally for fresher comfort. Toss in the 1/4-zip functionality and we are equipped with a baselayer that gives us total control of our body temperature.


Details

  • Heavyweight baselayer for those colder times of year
  • Interlock knit fabric provides comfort, breathability
  • Merino wool adds natural odor-resistance
  • New slim-fit design for easy layering without additional bulk
  • Shoulder panels and flatlock seam design to minimize chafing
  • Henley zipper for additional ventilation
  • Item #SWLZ86W
Material
100% merino wool
Insulation Weight
midweight (250g/m²)
Fit
slim
Center Back Length
[medium] 29in
Style
1/4-zip
Anti-Odor
natural attribute of merino wool
Claimed Weight
10.1oz
Manufacturer Warranty
2 years

Overall Rating

4.5 based on 13 ratings

Review Summary

1 Stars - 0 reviews
2 Stars - 0 reviews
3 Stars - 1 reviews
4 Stars - 2 reviews
5 Stars - 10 reviews

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.
Runs smallTrue to sizeRuns large

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4 out of 5 stars

December 9, 2024

Great but not base

Familiarity:
I've used it several times

Love this but with the zip for me it’s a second layer (over another SW simple base shirt). Great fit, fitted not skin tight.

BlackstrapandBrook
Backcountry.com

Originally reviewed on Backcountry.com

3 out of 5 stars

September 6, 2024

It’s nice (obvi) but gray is NOT gray

Familiarity:
I've used it once or twice and have initial impressions

Just a heads up- if you order charcoal heather it is NOT gray. It looks nothing like the picture they show, it is DARK and looks almost Navy/Black but not even close to what it shows so just FYI. I was bummed because I wanted a gray one

John H
Backcountry.com

Originally reviewed on Backcountry.com

5 out of 5 stars

April 11, 2024

Perfect ski base layer

Familiarity:
I've put it through the wringer

This was a replacement for a smartwool baselayer I'd been using for the last 5 years. Happy to have found the exact replacement. Perfect.

JoelB
Backcountry.com

Originally reviewed on Backcountry.com

5 out of 5 stars

March 31, 2024

Comfort and function

Familiarity:
I've used it several times

Very soft, conforming fabric with a little more heat than an Ortovox 185. Love the quarter zip for easy on off.

Hike em UP
Backcountry.com

Originally reviewed on Backcountry.com

5 out of 5 stars

February 22, 2024

Built for the mountain

Familiarity:
I've used it several times

I took this out on the slopes on several days. Some days warmer than others. It is light weight but extremely comfortable. The zipper allows you to regulate the heat. I wore it two days in a row with no stink. Highly recommend.

Snowboarder69
Backcountry.com

Originally reviewed on Backcountry.com

5 out of 5 stars

February 21, 2024

Fantastic Baselayer

Great baselayer . Just the right warmth for Fairbanks Alaska. This top makes all the difference. Soft on the skin, isn’t irritating. Excellent investment

Joe R
5 out of 5 stars

February 15, 2023

My go to

Familiarity:
I've put it through the wringer

My girlfriend bought me this - my first wool shirt that I thought would be itchy - so I was hesitant. I now wear it for everything; an under layer, a workout shirt, a hang out shirt, whatever and whenever. Keeps me cool, keeps me warm, it doesn’t smell or stink and it’s wash and wear. I had her get me another one.

flygirl1972196162 f
Backcountry.com

Originally reviewed on Backcountry.com

5 out of 5 stars

March 5, 2022

Merino 250 Baselayer 1/4-Zip Men's

Familiarity:
I've used it several times

This is a lightweight shirt that effectively improves cold weather comfort. It fits true to size (Medium for 6' 1" height, 160 lb. weight.) It works very well for active or athletic movements. Recommended laundry care is cold water wash, no bleach, on gentle setting, lay flat to dry.

Robert M
Backcountry.com

Originally reviewed on Backcountry.com

5 out of 5 stars

February 27, 2022

Fantastic top base-layer

Familiarity:
I've put it through the wringer

I mainly use these as top base-layer for snowboarding. I have many Patagonia Capilene in different weights and Arc?teryx Rho LT/AR. But I always reach for Smartwool 250 Zip first now. I?ve used it from -10 to 45 degree Fahrenheit with Arc?teryx Rush shell jacket with/without Proton LT mid-layer jacket. Smartwool 250 is nice fitting, warm, and stays dry. Just match with breathable Gore-Tex shell jacket and mid-layer jacket, you will stay warm and dry. Recommend 1/4-zip rather than crew-neck. Zip really helps to dump extra heat as needed and keeps you dry.

Fred L
Backcountry.com

Originally reviewed on Backcountry.com

5 out of 5 stars

December 30, 2021

I adore this top

Familiarity:
I've used it several times

It just looks cool as hell with the two-tone coloring. I normally don?t go for the quarter zip but it prevents this from always being a mock turtle neck which is a massive bonus. No hood which is perfect for skiing as there?s nothing to get in the way. The fit is great. Fully zipped is really, really cozy. Prevents need for a neck gaiter (my beard takes care of the rest). It?s well made. Stitching is great. It feels lighter than 250 weight but it could just be a more compact construction. No issues with warmth. I?m always amazed at how little I need to vent my shell on the chairlift as the merino is just generally excellent at regulating temp. And yes, I wear it several times between washes as it never smells unless I feel it needs to be the first layer (I usually use a 150 weight base layer purely to keep this mid layer fresh for multiple uses). I use it for more than skiing. Really good looking, versatile layer.

David F
Backcountry.com

Originally reviewed on Backcountry.com