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260 Tech Merino Wool Half Zip Base Layer Top video
(38)38

260 Tech Merino Wool Half Zip Base Layer Top

Icebreaker

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Details & care

Offset shoulder seams prevent pack rub in this long-sleeve base layer made from lightweight merino wool for warmth without bulk.

  • 27 1/2" length (size Medium)
  • Half-zip closure
  • Mock neck
  • Long sleeves
  • Drop-tail hem
  • Flatlock seams to prevent chafing
  • 100% merino wool
  • Machine wash, line dry
  • Imported
  • Men's Clothing
  • Item #5655553
  • Core Product ID 333335EQ7R

Size info

  • True to size.
  • Considered a Slim fit; fitted through the chest, armholes and sides.

Shipping & returns

Free shipping. Free returns. All the time. Purchases made online can also be returned or exchanged at any Nordstrom store, free of charge. Read more about our shipping & returns policies.

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Reviews

(38)384.4 out of 5
Write a Review
Fit: True to size

Most helpful positive review

Nov 2, 2026

Couldn’t ask for a better system

Absolutely satisfied with this product. It’s not itchy like most bases I have worn and extremely comfortable and soft. Worked perfectly in 20° temps during movement and comfortable to sleep in. Cannot express how satisfied I am with this product.
Robert W
Reposted from ExpertVoice.com

Most helpful critical review

July 30, 2025

Nice Garment - Too Long!

I order the tech 150 products in medium and the length is perfect. Why is fit so inconsistent with Icebreaker products? Sleeves and torso both too long on this product!
Dayton
Reposted from icebreaker

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5 stars68%
4 stars18%
3 stars8%
2 stars0%
1 star5%

Pros:

Cons:

Current reviews don’t mention any.
Nov 2, 2026

Couldn’t ask for a better system

Absolutely satisfied with this product. It’s not itchy like most bases I have worn and extremely comfortable and soft. Worked perfectly in 20° temps during movement and comfortable to sleep in. Cannot express how satisfied I am with this product.
Reposted from ExpertVoice.com
Robert W
Oct 15, 2026

Good fit and feel

I bought these as a base layer for skiing so haven’t put them to use for that yet. The feel and fit of the fabric is great so I have high expectations of them working well. I’m 5’10”, 173lbs, with long arms and the large fits really good
Reposted from ExpertVoice.com
David K
Sept 25, 2026

Comfy and warm

Counterpart to the pants, similar uses. Warm, stretchy, a little thinner than I thought. Better for active over passive use. I used them as a base layer/pj's on the PCT
Reposted from ExpertVoice.com
Alex H
Feb 24, 2026

Perfect thickness and warmth for cold winter skiing

The 260 thickness is perfect for cold winter skiing. It's thin enough that I don't even notice it yet plenty warm to keep you going all day. Especially like the half-zip top adjustment if you start to get hot.
Reposted from ExpertVoice.com
Christopher M
Feb 23, 2026

Just Right warm and Stylism

Fits well Good zipper Good for fall, winter or causal wear Washes well Minimal odor Great price
Reposted from ExpertVoice.com
Omar A
Feb 14, 2026
Baselayers kept me warm and dry on ski days. Used them for lift and hike-to skiing. Worked great. Didn’t smell. Washed easily and dry quickly.
Reposted from ExpertVoice.com
Joseph D