Warm and light ‼️
Size: XX-Large
Color: Charcoal Light Heather (020)/Black
I love this Undershirts they are very comfortable and warm they are good to wear on cold weather the size fits perfectly the quality is always good and you can get different colors they last a long time you get a great product for the money you pay I Love Under Armour products
Reviewed in the United States on February 1, 2026 by Carlos Mancilla
Perfect t-shirt for cold weather
Size: X-Large
Color: Black (001)/White
It’s excellent: warm, soft, super comfortable. It can be worn as a long sleeve t-shirt not just an undershirt. I only wish it was available in more colors!
Reviewed in the United States on October 4, 2026 by J. Mach
Great for under football shoulder pads for cold weather
Size: Large
Color: White (100)/Black
My 16 yr old loves this shirt for under his football pads for cold weather. Not too heavy, not too light. Tighter in the arms but looser through the torso. Perfect for what he wanted. He’s 6’2 220lbs and ordered and large. He normally wears XL but wanted a tighter fit for this purpose. If you live in
the far north (Michigan, northern Iowa, Chicago, Minnesota, etc) you might want to find something warmer. If we still lived any of those places, this wouldn’t cut it. But for the rest of the Midwest and similar climates, it’s perfect.
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Reviewed in the United States on October 3, 2026 by Amazon Customer
⭐️⭐️⭐️⭐️⭐️ Warm, Soft, and Perfect for Cold Outdoor Activities
Size: Large
Color: Black (001)/White
This has been an excellent piece for winter weather. It’s warm without being bulky, and the inside is soft and comfortable, making it easy to wear for extended periods outdoors. What really stands out is that it’s also breathable and moisture-wicking, so I don’t feel sweaty or overheated while stayin
g active. I’ve worn it for shoveling snow and ice fishing, and it performs great in cold conditions while still allowing good airflow. Overall, it’s a well-made, comfortable, and practical winter layer that does exactly what it’s supposed to do. I’d definitely recommend it for anyone who spends time outdoors in cold weather.
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Reviewed in the United States on January 1, 2026 by Shop Smarter with Mike & Melissa
I like it overall, but situational
Size: X-Large
Color: Black (001)/White
I like this product overall and it fits well and is also comfortable. However, I do have some comments about the performance over longer runs. When I first received this item and tried it on. I liked the fit (somewhat form fitting, not too tight) and the feel on the skin. I personally saw no issues w
ith the perceived quality. One thing I noticed right away is that the product does not feel warm to wear. UA has many different items for many different situations and maybe this gear is not meant to, but I thought that was an interesting early observation considering it is called "cold gear". I am a weekend warrior runner/jogger and not really fast at all. For long distances, I am in the 10 minute mile range on average. Nothing spectacular, but I get the job done. I have been training for a half marathon recently, which is bumping up my typical mileage quite a bit. I tend to start a pace in a comfortable low 9 minute mile and will end in the high 11's as I get tired. When training for the 1/2 marathon and running in the high 40's and very low 50's F temp range, I have been wearing this garment and a synthetic 1/4 zip long sleeve shirt on top (that is decent at wicking sweat) and a good quality brand name lightly insulated running jacket that I can vent easily as needed. Overall, this set up has kept me pretty warm most of a 10 - 13 mile training session, but sometimes I have needed to put on a merino wool blend layer over the UA cold gear layer as I usually very wet with sweat. Yesterday, I decided to wear the same set up, but kept the running jacket off. I will not be able to layer more clothes during the race. I was hoping that I would not sweat as much and that sweat might evaporate over time. I started fairly cold at the start and after a mile I feel reasonably comfortable. Ultimately, I got really wet from sweating around 8 miles, I begin to feel really cool even while keeping a consistent pace. I was not initially uncomfortable, but I noticed that UA cold gear base layer, was really soaked. At 10 miles, I stopped for a quick water break and was cold. I needed to wear my lightly insulated running jacket to continue towards 13 miles and that kept me warm enough to finish even as I was quite a bit slower than the start. I have trained to 10 miles before using a similar top, but a merino wool blend base layer and I would remain comfortably warm for that time or at least not cold. I am not sure what the deal is. I suspect that this UA base layer is wicking sweat very well, but just doesn't have a good insulating property performance like merino wool has when wet. Generally, it is never good to be wet in the cold and this is no exception and in my race, I am stuck with what I am wearing. The dilemma I have is that for my half marathon, I don't think I can trust this base layer to keep me comfortable for the whole race. For a 5K, this would not even be an issue at all and I would happily wear this UA cold gear in the higher 40's or very low 50's F. For this upcoming half marathon, I think I would want to lean a little more on being warmer and venting when needed than to get too cool and feel that I need to run harder to warm up after I am already tired. So in summary, I do not dislike this UA base layer, but I feel that I overpaid for the performance it is giving me.
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Reviewed in the United States on February 5, 2024 by Ebbyman
fit and warmth is so good i ordered three of them
Size: Small
Color: Charcoal Light Heather (020)/Black
at 5'6" and 145 pounds i ordered a size small and fit is great for me. Fits well under a tshirt and does not add too much bulk. The sleeves are pretty form fitting as well and are a little tight if you try to roll them up. Overall warmth is great for something that adds so little extra bulk for layer
ing up. I did order this shirt in gray, black, and white. All fit the same and are really well made.
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Reviewed in the United States on January 30, 2026 by Nick K.
Great cold weather shirt
Size: XX-Large
Color: Black (001)/White
Excellent and keeps you warm. Perfect to wear under a hoodie on a cold day.
Reviewed in the United States on June 6, 2026 by Donnie
Great product
Size: X-Large
Color: Black (001)/White
I bought these for my early morning walks. Even in Southern California the mornings are getting colder (cooler). These have worked perfectly. Fit is great and the level of heat is never to much. Very pleased with this purchase.
Reviewed in the United States on October 19, 2025 by Ron