Hurry & Get It Before Labor Day Weekend—Order With Free 2-Day* by 5PM MT on 8/27
Semi Annual SaleSemi Annual Sale


Versatile performance.

Built with a half-zip neck for added ventilation and thumb loops to prevent the sleeves from levitating up your arms, the Columbia Baselayer Midweight 1/2-Zip Top is as versatile as it is stylish.
  • Slim, form-fitting design reduces excess fabric bulk for an athletic look
  • Omni-Wick fabric's blend of polyester and four-way-stretch elastane provides a comfortable feel that wicks sweat and keeps your body temperature regulated
  • Omni-Heat thermal reflective tech reflects body heat back towards your skin for improved heat retention in cold weather
  • Antimicrobial treatment prevents the fabric from accumulating odors over time

Share your thoughts

Review Summary
3 4
0 3
0 2
0 1

What do you think of the

Columbia Baselayer Midweight 1/2-Zip Top - Men's

? Share a...

Write a review

No file chosen

Rather attach a photo from another website?

Rather attach a photo from your computer?

  • Product review:
  • Share a video
  • Share a photo

How familiar are you with the product?(Optional)

How does this product fit?(Optional)

Only jpg, jpeg, png, gif or bmp files please.


Here's what others have to say...

5 5

As advertised

  • Familiarity: I've used it several times
  • Fit: True to size

use this to work out in as well as a baselayer. It fits as expected in my opinion. I've worn this in cold weather as a baselayer after strenuous workouts with only a hoodie on over top and I haven't experienced that icy upper body feeling you get after a sweaty workout when you walk outside. At the same time I don't feel soaked either.

In addition I def feel like the omni-heat helps to lock in heat but the fabric also keeps you cool when you need it (no clue how this works but I love it). I do the smell check when I take it off after every wear to see if I need to wash it or not and it has held up pretty good. The amrpit region may be more prone to starting to smell first but I think that is understandable. Use deodorant before to delay that significantly.

It also dries very fast. I really love this, I just wish there were more colors on sale.

5 5

Deceptively Lightweight & High-Quality

  • Familiarity: I've put it through the wringer
  • Fit: True to size

I thought, in having found SmartWool midweight baselayers, that I already "knew" which baselayer is the absolute best. Then I picked up one of these. Lighter. Stronger. Fits very close, but not too close. Retains heat amazingly well. I sometimes sit around in shorts with this thing on as my shirt, sipping coffee and my roommates look at me baffled, "Aren't you cold?" and I'm like, "NOPE."

5 5


  • Familiarity: I've put it through the wringer
  • Fit: True to size

I'm 5'10 , 190lbs, muscular and Medium fits me perfectly. I really like the material and its warmer then it looks. I am also surprised at how much it never smells bad, I've worn it for 2-3 many times and it didn't smell.