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Merino 250 Baselayer Pattern Crew - Men's

5 out of 5 stars
1 Review

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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Merino 250 Baselayer Pattern Crew

When you're post-holing up the side of a mountain on your way to an alpine yurt, you need a quality technical baselayer like the SmartWool Midweight Pattern Crew between your skin and everything else. This merino long underwear top helps your body stay cool when you're working up a sweat, and it keeps out the cold when you're flying down the mountain. Flatlock seams prevent irritation, shoulder panels let you move freely, and UPF 50+ sun protection keeps your skin safe if you're not wearing a shell.


  • Technical wool baselayer for alpine adventures
  • Merino wool is naturally anti-odor keeping you fresh
  • Merino wool is incredibly warm yet breathable
  • Shoulder panels give a seamless feel for comfortable layering
  • Slim fit layers underneath jackets well
  • Item #SWLZ86U
100% merino wool
Insulation Weight
Center Back Length
[medium] 27.25in
natural attribute of merino wool
Claimed Weight
[medium] 9.7oz
Manufacturer Warranty
2 years

Overall Rating

5 based on 1 ratings

Review Summary

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5 Stars - 1 reviews


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5 out of 5 stars

January 20, 2021

Warm and lightt

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

Wicks moisture very well, been out backpacking in 20-30 degree weather and kept warm.

mclean b

Originally reviewed on Backcountry.com