Men's UA Microthread Long Sleeve

Style # 1320835
Height: Size: Fit: Fitted
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Height: Size: Fit: Fitted
Men's UA Microthread Long Sleeve

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Product DNA

  • Fitted: Next-to-skin without the squeeze
  • UA Siro has a unique construction that's super-light, dries incredibly fast & won’t cling to you
  • Unique pattern gives it a stand-out look & stealth ventilation
  • Anti-odor technology prevents the growth of odor-causing microbes
  • Dropped, shaped hem for enhanced coverage
  • 100% Polyester
  • Imported

Review Summary

10 Reviews


Runs small Runs large


Min. Max.


Min. Max.


Comfortable enough. Has a warmth to the material similar but it is not as heavy as cotton would feel.

Great shirt

This is the perfect shirt for any exercise or activity that you want the extra coverage on the arms. Comfy and doesn’t bag out with sweat.

Great shirt but a little too tight

If this would have been a little notebook loose, it would have been the perfect shirt. It seems to be made for very thin, long framed bodies. [This review was collected as part of a promotion.]

Performs as advertised

Love the shirt. Very comfortable and good quality. [This review was collected as part of a promotion.]

Decent long sleeve shirt

Purchased this shirt along with some zip long sleeve shirts and I have to admit that I prefer the zip long sleeve shirts that have a bit more wiggle room than this microthread long sleeve shirt. For someone looking for a snug fit, this might be okay but I noticed that the size around the armpit to be a bit smaller than expected. What this has meant is that I wore this shirt less than the others that I purchased a few months ago but it's still decent overall. [This review was collected as part of a promotion.]

Great Feel

I bought a couple of these and if I could get them in short sleeve they might be the only thing I wear. Fabric is super soft and comfortable, good fit/stretch. [This review was collected as part of a promotion.]


When it is a little chilly outside, I want a long sleeve shirt that provides a little warmth but once I get going, I don't want to get hot from it. This shirt is perfect. It is thin and great for running. I also really like the fact that it is loose fitting. I don't like the feel nor do I have the ripped build for some tight shirt. So, this one fits the bill for someone like me. It is a grown man running shirt. [This review was collected as part of a promotion.]

Great product

The fit is excellent. Not as tight as a second skin, but not baggy or loose. The material wicks away sweat. It is light, so you’ll need to put something else over it if you’re training outdoors in the cold. [This review was collected as part of a promotion.]

Not fitted! Super thin material!

These are definitely not "fitted", more like "loose". Also super thin material and doesn't feel quality. What happened Under Armour?! Very disappointed!

Love this shirt, wish I'd bought more

This shirt is perfect and can be worn alone or in combination with other shirts. One of the most comfortable shirts I've ever owned. It's a bit large but that's much better than being too small. I purchased the Magma Orange, which is my favorite color and also the color of my SUV. All in all a win, win for me.