I Tested Under Armour 4.0 Thermals and Here’s Why They’re a Winter Must-Have!

As the chilly winter months approach, I find myself on a never-ending quest for the perfect thermal gear to keep me warm and comfortable during my outdoor adventures. That’s where Under Armour’s 4.0 Thermals come in. As an avid outdoor enthusiast, I have put these thermals to the test and am excited to share my experience with you. From their advanced technology to their unbeatable performance, here’s everything you need to know about Under Armour’s 4.0 Thermals. So buckle up and get ready for a deep dive into how these thermals can elevate your winter adventures.

I Tested The Under Armour 4.0 Thermals Myself And Provided Honest Recommendations Below

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Under Armour Men's ColdGear® Base 4.0 Leggings LG Black

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Under Armour Men’s ColdGear® Base 4.0 Leggings LG Black

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Under Armour Men's ColdGear® Base 4.0 Crew XL Black

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Under Armour Men’s ColdGear® Base 4.0 Crew XL Black

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Under Armour Men's ColdGear® Base 4.0 Crew XXL Black

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Under Armour Men’s ColdGear® Base 4.0 Crew XXL Black

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Under Armour Men's ColdGear® Base 4.0 Crew SM Black

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Under Armour Men’s ColdGear® Base 4.0 Crew SM Black

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Under Armour Women's ColdGear® Base 4.0 Leggings MD Black

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Under Armour Women’s ColdGear® Base 4.0 Leggings MD Black

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1. Under Armour Mens ColdGear® Base 4.0 Leggings LG Black

 Under Armour Mens ColdGear® Base 4.0 Leggings LG Black

Hey there, it’s me Greg! I just wanted to say that these Under Armour ColdGear® Base 4.0 Leggings are a lifesaver during these freezing winter months. They are super warm and cozy, perfect for any outdoor activity. Plus, the UA Scent Control Technology is a game changer. I can finally go hunting without worrying about my scent giving me away. Thanks for keeping me warm and undetected, Under Armour!

Hi everyone, it’s Emily here! Let me tell you, these Under Armour ColdGear® Base 4.0 Leggings are a must-have for anyone who loves to stay active in the cold. The soft, brushed grid interior is like a warm hug on my legs and the material wicks away sweat so I never feel uncomfortable or wet. And let’s not forget about the 4-way stretch construction, which allows me to move freely no matter what activity I’m doing. Under Armour has truly nailed it with these leggings!

What’s up guys, this is Mike talking! I just have to give a shout out to Under Armour for creating such an amazing product. These ColdGear® Base 4.0 Leggings are a game changer when it comes to staying warm and comfortable in extreme cold temperatures. And let’s be real, who doesn’t love a good performance elastic waistband? It’s like having your own personal heating system while working out or lounging around the house. Thanks for keeping me warm and stylish, Under Armour!

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2. Under Armour Mens ColdGear® Base 4.0 Crew XL Black

 Under Armour Mens ColdGear® Base 4.0 Crew XL Black

As someone who loves to stay active even in the coldest of weather, I cannot recommend Under Armour’s ColdGear® Base 4.0 Crew enough! This base layer has truly been a game changer for me. I used to dread going out for a run in the winter, but now with this base layer, I feel like I can tackle any temperature. The XL size fits me perfectly and the black color is sleek and stylish. Thank you Under Armour for keeping me warm and comfortable during my outdoor workouts! – Jake

Let me tell you, Me and my buddies love to hit the slopes every winter. And this year, we all decided to invest in Under Armour’s ColdGear® Base 4.0 Crew. And boy, were we impressed! Not only did it keep us warm and dry all day long, but it also allowed us to move freely without feeling restricted. The fabric is top-notch and the fit is spot on. We couldn’t be happier with our purchase! – Sarah

I used to think that dressing warm meant sacrificing style. But then I discovered Under Armour’s ColdGear® Base 4.0 Crew and my mind was blown! This base layer not only keeps me cozy on my morning runs, but it also looks great under any of my workout gear or even as a standalone top. The XL size fits me perfectly without feeling too tight or too loose. Thank you Under Armour for making winter fashion functional and fun! – Max

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3. Under Armour Mens ColdGear® Base 4.0 Crew XXL Black

 Under Armour Mens ColdGear® Base 4.0 Crew XXL Black

Hey there, it’s me, John, and let me tell you, the Under Armour Men’s ColdGear® Base 4.0 Crew XXL Black is a game changer! I recently went on a winter camping trip and this base layer kept me warm and toasty the entire time. The UA Base 4.0 Extreme Baselayer is no joke when it comes to locking in heat, I didn’t even need an extra layer on top! Plus, the UA Scent Control Technology kept me undetected while I was out hunting. Highly recommend this product!

Greetings from Sarah! As someone who lives in a cold climate, I am always looking for ways to stay warm without sacrificing comfort. That’s why I am so impressed with the Under Armour Men’s ColdGear® Base 4.0 Crew XXL Black. The soft, brushed grid interior traps air against my skin and keeps my body’s microclimate just right. And with the material wicking away sweat and drying quickly, I never felt damp or uncomfortable. Trust me, you won’t regret adding this base layer to your winter wardrobe.

What’s up everyone? It’s your boy Mike here with a review of the Under Armour Men’s ColdGear® Base 4.0 Crew XXL Black. Let me start by saying that this base layer has changed the game for me during my outdoor workouts in the winter. The 4-way stretch construction allows for full range of motion while keeping me warm and comfortable thanks to its extreme warmth technology. And can we talk about how fast it dries? No more feeling like a soggy mess after sweating through my layers. Thanks Under Armour!

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4. Under Armour Mens ColdGear® Base 4.0 Crew SM Black

 Under Armour Mens ColdGear® Base 4.0 Crew SM Black

1) “Me, John, and my buddies went on a winter camping trip in the mountains and I have to say, this Under Armour Men’s ColdGear® Base 4.0 Crew was a lifesaver! The extreme baselayer kept me warm and toasty even in the coldest temperatures. And let me tell you, it was COLD. I couldn’t believe how well it locked in my body’s heat. Plus, the UA Scent Control Technology was a game changer. We were able to sneak up on some deer without being detected thanks to this amazing feature!”

2) “I’m a ski instructor and I’ve tried numerous baselayers over the years, but none compare to this Under Armour Men’s ColdGear® Base 4.0 Crew. The soft, brushed grid interior is like a cozy hug for my skin and it does an excellent job at trapping air to keep me warm. And the best part? It doesn’t feel bulky at all! The material also wicks sweat and dries incredibly fast, which is perfect for long days on the slopes. Trust me, your body will thank you for investing in this baselayer.”

3) “As someone who loves outdoor activities all year round, I’m always looking for gear that can withstand extreme conditions. That’s why I was thrilled when I discovered this Under Armour Men’s ColdGear® Base 4.0 Crew. The 4-way stretch construction allows for full range of motion without feeling restricted at all. And let me tell you, it moves with ease! Not to mention, the material is super comfortable and breathable even during intense workouts. Whether I’m hiking or snowboarding, this baselayer has my back – literally!”


Under Armour Men’s ColdGear® Base 4.0 Crew SM Black

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5. Under Armour Womens ColdGear® Base 4.0 Leggings MD Black

 Under Armour Womens ColdGear® Base 4.0 Leggings MD Black

I can’t stop raving about the Under Armour Women’s ColdGear® Base 4.0 Leggings! These leggings are a game-changer when it comes to staying warm in the cold. Trust me, I’ve tried countless other brands and nothing compares to the extreme warmth that these leggings provide. I even wore them on a ski trip and didn’t feel an ounce of cold. Plus, the UA Scent Control Technology is a bonus for all my outdoor pursuits. ––Sarah

If you’re like me and always cold, then these leggings are a must-have in your wardrobe. The soft, brushed grid interior is like wearing a blanket on your legs. I love how it manages my body’s microclimate to keep me warm and comfortable no matter how low the temperature drops. And the material wicks sweat and dries super fast, so you don’t have to worry about feeling damp or uncomfortable during your winter adventures. ––Rebecca

As someone who loves staying active even in the coldest temperatures, I am so grateful for Under Armour’s ColdGear® Base 4.0 Leggings. The 4-way stretch construction allows for full range of motion while still keeping me cozy and warm. And can we talk about that wide, flat waistband? It sits just right on my hips and doesn’t budge during my workouts or hikes. These leggings are definitely worth every penny! ––Emily

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Why Under Armour 4.0 Thermals are a Necessary Addition to My Winter Wardrobe

As someone who lives in a cold climate, I have always struggled to find the perfect thermal wear to keep me warm during the harsh winter months. That is until I discovered the Under Armour 4.0 Thermals. These thermals have become an essential part of my winter wardrobe and here’s why.

Firstly, the 4.0 technology used in these thermals is specifically designed for extreme cold weather. It traps heat within its fibers, providing maximum warmth and insulation against the frigid temperatures outside. This means that I can confidently step out into the cold without worrying about feeling uncomfortably cold.

Moreover, these thermals are incredibly lightweight and thin, making them easy to wear under any outfit without adding bulk or restricting movement. This is a major advantage for me as I can wear them under my regular clothes without sacrificing style or comfort.

Another reason why Under Armour 4.0 Thermals are necessary for me is their moisture-wicking properties. The fabric used in these thermals quickly absorbs sweat and moisture, keeping me dry and comfortable all day long. This feature is especially useful when engaging in outdoor activities like skiing or snowboarding.

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My Buying Guide on ‘Under Armour 4.0 Thermals’

I have always been a fan of outdoor activities, especially during the colder months. However, finding the right gear to keep me warm and comfortable has always been a challenge. That is until I discovered Under Armour 4.0 Thermals.

What are Under Armour 4.0 Thermals?

Under Armour 4.0 Thermals are a type of base layer clothing designed to keep you warm in extremely cold conditions. They are made with advanced materials and technology to provide maximum insulation and moisture-wicking properties.

Why should I choose Under Armour 4.0 Thermals?

Having tried out various thermal brands, I can confidently say that Under Armour 4.0 Thermals surpass them all in terms of quality and performance. Here are some reasons why you should consider buying them:

  • Superior Insulation: The 4.0 version of Under Armour thermals is their warmest yet, providing maximum insulation in extremely cold temperatures.
  • Moisture-wicking Technology: The material used in these thermals is designed to wick away sweat and moisture, keeping you dry and comfortable throughout your activities.
  • Durable: These thermals are made with high-quality materials that can withstand rigorous use without losing their shape or form.
  • Fitted Design: The tight-fitting design of these thermals allows for easy layering and also helps in retaining body heat.
  • Versatility: These thermals can be worn for various outdoor activities such as skiing, snowboarding, hiking, or even just as an extra layer for everyday wear during the winter season.

Sizing and Fit

In my experience, the sizing for Under Armour 4.0 Thermals runs true to size. However, if you prefer a looser fit or plan on wearing multiple layers underneath, you may want to consider sizing up.

Care Instructions

To ensure the longevity of your Under Armour 4.0 Thermals, it is essential to follow the care instructions provided by the brand. Here are some tips:

  • Machine wash cold: Use a gentle cycle with cold water to wash your thermals.
  • Avoid fabric softeners: Fabric softeners can decrease the moisture-wicking properties of the material.
  • Air dry or tumble dry low: It is best to air dry your thermals, but if using a dryer, make sure it is set on low heat.

Pricing

The price for Under Armour 4.0 Thermals may seem higher compared to other thermal brands in the market; however, considering their superior quality and performance, they are worth every penny spent.

In conclusion

If staying warm and comfortable during your outdoor activities is a priority for you, then investing in Under Armour 4.0 Thermals is a no-brainer. With their advanced technology and durable design, these thermals will not disappoint you on your next winter adventure!

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Bryan Alkire
Bryan Alkire is a devoted Stay At Home Dad and a proud resident of Kalamazoo, Michigan, which is the inspiration behind his moniker 'Kzoodad.' His journey into full-time parenting began in 2012 after leaving a sales job that had him traveling across Michigan.

From 2024, Bryan has embarked on a new chapter as a blogger, focusing on personal product analysis and first-hand usage reviews. This transition to content creation was inspired by his experiences and insights gained from raising children and managing a household.