






🔥 Elevate your winter game with warmth that moves as fast as you do!
The Under Armour Men's ColdGear Armour Fitted Mock is a high-performance base layer engineered with dual-layer fabric featuring an ultra-warm brushed interior and a fast-drying exterior. Designed for active professionals, it combines 4-way stretch mobility with strategic mesh ventilation to balance warmth and breathability. Its moisture-wicking properties keep you dry during intense activity, while the ergonomic mock neck offers added coverage and a sleek, modern look—ideal for winter running, skiing, or everyday cold-weather wear.






























| Care instructions | Machine Wash |
| Closure type | Pull On |
| Fabric type | 94% Polyester, 6% Elastane |
| Origin | Imported |
M**L
Well-insulated, light, and comfortable
These are great, and unlike any other Under Armour (or similar) long sleeve/turtleneck I’ve owned before. Unlike most moisture-wicking clothing, they have an extra internal layer to provide a layer of insulation, and the result is surprisingly warm yet very breathable. It’s not especially wind-resistant, but I wouldn’t expect it to be. I wore this for a long run under a *very* light windbreaker (which I believe to be an ideal pairing for wind + insulation + moisture wicking) in 15F weather with snow and relatively high winds, and I was more than warm enough. I was actually sweating, but this also kept me dry very effectively despite being thicker. Aside from thermals, the fit is excellent, materials feel luxurious and premium, it seems well-made and durable, and the internal lining is very comfortable on the skin. I love it for winter running and intend to make it my base layer for skiing. I highly recommend this as a bottom layer for any cold weather sports.
R**S
Under Layers > Thick Over Coat
Allow me to regale you with a tale of winter warmth and sartorial splendor, starring none other than the Under Armour Men's ColdGear Fitted Mock Long Sleeve Shirt. Picture this: a frosty morning, a brisk wind nipping at your nose, and you, my friend, wrapped snugly in the embrace of this marvelously crafted garment. Let's start with the fit, shall we? It's like a hug from an old friend—comfortable, reassuring, and always there when you need it. The fitted design ensures that you look sharp without sacrificing mobility, perfect for those impromptu snowball fights or power walks through the winter wonderland. But wait, there's more! The ColdGear technology is the real MVP here, folks. It's like having your own personal furnace strapped to your torso, radiating warmth with every step you take. Say goodbye to shivers and hello to toasty comfort, no matter how low the mercury dips. And can we talk about style for a moment? Because let me tell you, this shirt is the epitome of cool. The mock neck adds a touch of sophistication, while the sleek design screams "I'm ready for whatever winter throws my way." In conclusion, if you're in the market for a winter warrior that's as stylish as it is functional, look no further than the Under Armour Men's ColdGear Fitted Mock Long Sleeve Shirt. Trust me, once you slip it on, you'll wonder how you ever braved the cold without it.
E**E
Great product
Fits well with the size ordered and is exactly what I'm looking for. Will definitely keep you warmer then a standard long sleeve tshirt
S**N
Comfortable and definitely warm
Just moved to New England from the South and these have been the greatest thing. Really warm and comfortable. They are easy to clean too. I was cold all the time, then I put one of those on and I can stand out in freezing temperatures longer than a local with only a sweater. They are definitely expensive, but if you are in cold temperatures for long periods, they are worth all of the nickels and dimes.
J**B
Excellent sport shirt
Overall very good, I'd prefer the neck to be a little more snug. Very comfy, highly recommend.
H**E
Outstanding
Soft and breathable, a good fit, and a great addition to the workout wardrobe. The UA products seem to be great quality compared to other brands and they just fit so well, showing off the hard work in the gym.
Y**0
Excellent base layer for cycling
Excellent warm base layer. The medium tall size fits well and has a good length for winter cycling.
A**R
Excellent product.
Keeps me going out on those 30-40 degree, 95%+ humidity days. Usually an XL-L fit, got L and it's perfect. Comfortably snug fit that doesn't get clammy or wet once I work up a sweat. Fit allows a lighter colored top for visibility or a rain/wind vest or coat. Will plan to use during below 30 temps as well.
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