The Best Women’s Thermal Underwear

Cole Speed
14 min readApr 5, 2024



Welcome to our comprehensive guide to the best Women’s Thermal Underwear. As the weather gets colder, it’s important to stay warm and comfortable. In this article, we will review the top thermal underwear options for women, focusing on quality, material, and features that cater to different preferences and budgets. Stay tuned as we explore the perfect solutions to keep you cozy and stylish this winter.

The Top 9 Best Women’s Thermal Underwear

  1. Women’s Warm and Breathable Thermal Underwear — ALPIDEX Women’s Functional Underwear offers breathable, warming & quick-drying features for optimal comfort and versatility during outdoor activities like skiing, walking the dog, and visiting Christmas markets.
  2. Indera Premium Women’s Thermal Pant — Experience exceptional warmth and comfort with Indera Women’s Thermal Underwear Pant in White, offering a slim-fit knit design and elastic waistband ideal for very cold temperatures.
  3. Dual-Layer Warmth Thermal Leggings — Duofold by Champion Women’s Thermal Underwear — Soft, dual-layer cotton-rich leggings featuring moisture-control technology to keep you warm and comfortable all day long.
  4. Warm, Comfy Women’s Thermal Pants — Stay warm and comfortable all winter with Coldpruf Women’s Basic Thermal Pants, offering a non-itch waistband, tag-free design, and ankle length for a cozy, durable fit.
  5. Cute Snowflake Women’s Thermal Underwear Set — Stay warm, look fabulous in the #followme Women’s Printed Henley Thermal Underwear Set with Jogger Pant, featuring stylish snowflake prints and a breathable waffle knit fabric.
  6. Lands’ End Women’s Thermaskin Heat Thermal Long Underwear Base Layer Top — Experience the perfect blend of warmth and comfort with the Lands’ End Women’s Thermaskin Heat Turtleneck Top, designed for a cozy and stylish winter look while offering moisture-wicking and antimicrobial properties.
  7. Indera Women’s Long Sleeve Thermal Top — A stylish and cozy Women’s Traditional Thermal Top Long Sleeve White Medium, crafted with shrinkage-controlled waffle knit and ribbed cuffs for extra warmth in cold temperatures.
  8. Black Cotton Thermal Set for Women — Discover the cozy warmth of West Loop Women’s Small/Medium Thermal Set, a stretchable and tag-free thermal set with quick-dry and soft fabric that adapts to your body. Perfect for cold weather activities.
  9. Thermajane Women’s Ultra Soft Thermal Underwear Leggings (Baby Pink, XS) — Stay warm, cozy, and stylish with Thermajane Women’s Ultra Soft Thermal Underwear Leggings, perfect for any winter activity.

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Women’s Warm and Breathable Thermal Underwear


I recently had the pleasure of trying out the ALPIDEX Women’s Functional Underwear, designed for those chillier days on the slopes or just walking the dog in the frosty air. While it doesn’t have reviews yet, I can personally vouch for its breathability and warmth. The overlapping inserts provide exceptional air circulation, keeping me warm without making me feel stuffy. Plus, the material dries quickly, making it perfect for those wet, wintry days.

The versatility of this underwear is worth mentioning too. It’s not just confined to winter sports; it’s equally comfortable at the Christmas market or during casual walks. The extra flat seams add to the comfort, allowing for unrestricted movement, even when worn under jeans and a pullover.

Made with 70% polyamide, 22% polyester, and 8% elastane, this set is not only comfortable but also virtually invisible, with two color options and sizes ranging from S/M to 2XL/3XL. Not to forget, it’s easy to take care of, adding to its practicality. So, if you’re looking for a reliable thermal undergarment that doesn’t compromise on style and comfort, this one from ALPIDEX is definitely worth considering.

Indera Premium Women’s Thermal Pant


If you’re looking for a cozy, effective thermal underlayer to keep those legs warm in freezing temperatures, Indera’s Women’s Thermal Underwear Pant is worth considering. The slim-fit knit pant has a comfy elastic waistband, and it controls shrinkage (which means no unwanted surprises when you throw it in the washing machine).

However, this product does have a few drawbacks. Its fabric quality and manufacturing consistency may fall short at times, as some pairs may not stay in place as desired. In addition, there have been instances of it shrinking, so proper care is crucial.

Personally, I’ve had a mixed experience with these thermal underwear. Though the quality is noticeably satisfactory, the design could use some improvements. For instance, I found that the tight fit and the skinny bottom are not suitable if you prefer wearing these under other garments, and the elastic band is not as comfortable compared to the ones from the brand I previously tried.

Additionally, there have been user reviews mentioning the sizing, indicating that these thermal underwear may run a bit small. So, while they are a good choice for most women, do review the sizing guide carefully before making your purchase.

In summary, this product is well-rated among users, especially for its comfort and the effective trapping and retention of body heat for those chilly days and nights. However, mind the sizing and potential shrinking for the best results!

Dual-Layer Warmth Thermal Leggings


I recently got the chance to try out the “Duofold Thermals” by Champion, and I must say, they’re a game-changer for me during the chilly months. The first thing that caught my attention was the cotton-rich material. It’s not only warm but also incredibly comfortable. I feel like I’m wearing a second skin with these thermal leggings!

The high-rise silhouette is perfect for tucking into my boots, and it keeps my waist warm and cozy. Plus, the flatlock seaming prevents any chafing or irritation, which is a big plus for me. These leggings are designed to handle moisture effectively, so I don’t have to worry about feeling damp and cold.

However, there are a couple of downsides to these thermal leggings that I noticed. First, they run a bit small. I suggest sizing up to ensure a comfortable fit. Second, the quality isn’t as good as it used to be. I’ve heard some other reviewers mention that the material doesn’t last as long as it used to, and I noticed that the elastic waistband tends to twist and loosen over time.

In conclusion, the “Duofold Thermals” by Champion are a fantastic option for staying warm and comfortable during the winter months. The cotton-rich material provides excellent insulation, while the high-rise silhouette and moisture-controlling properties keep you dry and cozy. Just remember to size up and keep an eye on the elastic waistband, and you’ll be good to go!

Warm, Comfy Women’s Thermal Pants


I recently purchased the Coldpruf Women’s Basic Thermal Pants in black, and I couldn’t be happier with my purchase. As someone who needs to stay warm during the harsh winters, these thermal pants have become an essential part of my wardrobe.

One of the features that stood out to me was the two-layer engineering. The thermal pants have an inner layer that traps heat close to the body, keeping me warm and cozy all day long. Additionally, the ankle-length design ensures that my feet stay warm too.

Another highlight of these pants is the tagless design. This has been a game-changer for me, as it has minimized any skin irritation that I used to face with tagged clothes. The elastic waistband also adds to the overall comfort and support, making it easier for me to go about my daily activities without worrying about the pants sliding down.

However, there is room for improvement. Some users have reported that these pants run small, which is something I experienced as well. I would recommend sizing up to ensure a comfortable fit.

In conclusion, the Coldpruf Women’s Basic Thermal Pants are a must-have for anyone looking to stay warm during the cold winters. The highlights of these pants include the two-layer engineering for warmth, the tagless design for comfort, and the elastic waistband for a supportive fit. While some users have reported that these pants run small, sizing up should solve this issue. Overall, these thermal pants have made a significant difference in my daily life, and I would highly recommend them to others.

Cute Snowflake Women’s Thermal Underwear Set


I’m always up for anything that keeps me toasty in the cold. When I got my hands on these #followme thermal undergarments — a cute snowflake-printed Henley top and matching joggers, I knew I was onto something good. Not only did they come in an array of lovely colors, but the material was also ultra-soft and warm. I opted for the aqua snowflake print, and let me tell you, it’s a perfect blend of cute and comfortable.

One thing I absolutely adore about this set is how well it’s made. There are no loose threads or skipped stitches, making it feel incredibly premium. The elastic waistband on the joggers ensures a snug and comfy fit, and the thermal material is neither too bulky nor too light. Plus, the two mock buttons add a lovely touch to the bottoms.

The standout feature for me though, has to be the thermal undergarments’ ability to keep me warm in the cold without making me sweat or feel itchy. The soft waffle knit fabric, made up of 60% cotton and 40% polyester, is just the right combination to provide optimal comfort and warmth.

The #followme thermal set is indeed a must-have for those chilly days — it keeps the cold at bay while turning up the cuteness all the way. So, go ahead, add to cart and stay cozy and stylish this winter!

Lands’ End Women’s Thermaskin Heat Thermal Long Underwear Base Layer Top


As a reviewer who has tried this Lands’ End Women’s Thermaskin Heat Thermal Long Underwear Base Layer Turtleneck Top in Ivory, I must say it has been a game-changer for my winters. The base layer is soft, comfortable and provides an extra layer of warmth, making it perfect for those chilly days.

One highlight about this turtleneck top is the high-performance fabric. It absorbs moisture from your body to generate heat, keeping you warm and dry at all times. Additionally, it wicks away perspiration effectively, ensuring that you remain comfortable in cold weather.

However, there are some cons as well. Some reviewers noted that the material feels cold against the skin initially, which might be off-putting for some. Also, the neck can be a bit tight for some users, leading to discomfort.

Despite these minor drawbacks, this Thermaskin Heat Turtleneck is a great addition to your wardrobe during winter. Its unique features make it stand out among other thermal undergarments.

Indera Women’s Long Sleeve Thermal Top


Recently, I had the chance to give the Indera Women’s Traditional Thermal Top a whirl, and I’m excited to share my experience with you. As someone who’s always on the lookout for new winter wardrobe additions, this top caught my eye with its promise of comfort and heat retention.

Right off the bat, this thermal top impressed with its cotton-rich fabric. It managed to strike a perfect balance between softness and warmth, making it comfortable enough to wear all day, even when I was running errands. Plus, the waffle knit proved effective at trapping heat, helping me stay cozy even when the temperature dropped.

However, one drawback was the shrinking factor. Even after carefully following the washing instructions, I did notice that the thermal top tightened up a bit after a few washes.

Another small issue was the craftsmanship, particularly around the seams. One of the shoulders had a loose thread that required some mending on my part. It might have been a one-time defect, but it’s worth mentioning nonetheless.

In conclusion, the Indera Women’s Traditional Thermal Top Long Sleeve did a great job keeping me warm during my coldest outings. Its comfortable blend of cotton and polyester is a definite plus, though the shrinking and uneven seams are a concern. Overall, it’s a decent choice for those looking to layer up in style this winter.

Black Cotton Thermal Set for Women


As a reviewer who’s been sporting the West Loop Women’s Thermal Set, I must say it’s been a game-changer in my winter wardrobe. The breathable and moisture-managing fabric is a godsend, keeping me toasty without feeling stuffy. Plus, the stretchy tag-free design fits my body like a dream, making it super comfortable to wear all day.

One thing that really impresses me about this thermal set is how quickly it dries. After a workout or a chilly walk, I can throw it on and feel cozy within minutes. And the soft, smooth hand feel — well, that’s just the cherry on top!

However, I wish the small/medium sizing offered a little more flexibility, especially for those of us who fall right in the middle of that size range. Nevertheless, I’m truly grateful for the comfort and practicality this thermal set provides.

Thermajane Women’s Ultra Soft Thermal Underwear Leggings (Baby Pink, XS)


These Thermajane Thermal Underwear Leggings have quickly become my go-to for combating the cold. I can’t say enough how soft and comfortable they are, making them perfect for lounging around the house or even for a casual walk around the city. Not only do they provide an extra layer of insulation during winter, but the ultra-stretchable and lightweight design makes them perfect for activities like skiing.

One feature that stood out to me is the strong binding finish around the seams, which ensures durability and longevity. I also appreciate how breathable and moisture-wicking they are, keeping me dry and comfortable even during intense physical activity.

However, I did notice that they can shrink a bit after washing, so it’s best to be cautious when choosing your size. Overall, I’m extremely satisfied with the Thermajane Thermal Underwear Leggings and would recommend them to anyone seeking winter warmth without sacrificing comfort or ease of movement.

Buyer’s Guide

Women’s thermal underwear, also known as long underwear or base layer, is an essential part of a cold-weather wardrobe. Its primary function is to keep your body warm and comfortable by trapping heat close to your skin, while wicking away moisture to prevent chilling. Key features to look for in thermal underwear include material composition, fit, moisture-wicking capabilities, and thermal comfort.


Material Composition

Thermal underwear is primarily made from synthetic materials or natural fibers such as wool and silk. Synthetic materials, like polyester and nylon, are versatile and provide good insulation, moisture-wicking properties, and quick-drying capabilities. Natural fibers, like merino wool and silk, are excellent choices for moisture absorption, temperature regulation, and antimicrobial properties. Consider your personal preferences and intended activity when choosing the right material composition.

Fit and Styles

Women’s thermal underwear comes in various styles, such as tights, leggings, full-body suits, and separate top and bottom pieces. When choosing a style, prioritize a comfortable fit that isn’t too tight or too loose. A good fit will help keep your body warm while allowing for adequate movement and moisture transfer. Pay attention to length and waistband options to ensure a perfect match for your body type.


Moisture-Wicking Capabilities

One of the key features of thermal underwear is its ability to wick away moisture from your skin, which helps prevent chilling and maintain warmth. Look for materials that are designed to quickly draw moisture away from your body and dry quickly, such as synthetic fibers and merino wool. This feature is especially important for high-intensity, sweat-inducing activities like hiking and skiing.

Thermal Comfort and Layering

Women’s thermal underwear is designed to provide warmth in cold conditions while helping maintain your body’s natural temperature regulation. When selecting thermal underwear, consider the weather conditions you will be facing, as well as the additional layers you will be wearing over top. Base your choice on the warmth and insulation provided by the material composition and thickness of the underwear to ensure optimal thermal comfort and a versatile layering system to suit varying weather conditions.

Investing in high-quality thermal underwear is essential for staying comfortable and warm in cold weather. Focus on key features like material composition, fit, moisture-wicking capabilities, and thermal comfort to make an informed decision. By choosing the right thermal underwear for your needs, you’ll be well-prepared for any winter adventure or cold-weather activity.



What is thermal underwear?

Thermal underwear, also known as long johns or base layers, are tight-fitting garments worn to keep the body warm and comfortable in cold temperatures. They are usually made of materials like fleece, wool, or synthetic fibers, which provide insulation while allowing moisture to escape, thus preventing cold sweat.


How do I choose the right size for thermal underwear?

Choose thermal underwear that fits snugly but comfortably, without restricting movement. It should feel like a second skin, allowing it to trap heat effectively. Consult the sizing chart provided by the manufacturer to ensure you select the correct size for your measurements.

What are the best materials for thermal underwear?

  • Merino Wool: Offers excellent insulation and moisture-wicking properties, making it suitable for a wide range of temperatures.
  • Polyester or Microfiber: Lightweight, breathable, and quick-drying materials that provide insulation and moisture management.
  • Silk: A luxurious option that provides warmth and moisture control, but generally requires more care than other materials.

How often should I wash thermal underwear?

Wash thermal underwear after each wear to maintain its performance and hygiene. Use mild detergent and avoid fabric softeners, as they can reduce the fabric’s ability to wick moisture away from the skin.

Can I use thermal underwear for activities other than cold-weather clothing?

Yes, thermal underwear is versatile and can be used for various activities, such as workout sessions, camping trips, or even as a base layer for snowboarding or skiing. The moisture-wicking properties and insulation make them suitable for various occasions and climates.

How do I care for my thermal underwear to prolong its lifespan?

  1. Wash in cold or lukewarm water with mild detergent
  2. Air dry or tumble dry on low heat (if label permits)
  3. Avoid fabric softeners and chlorine bleach, as they can damage the fibers and reduce the effectiveness of the moisture-wicking properties
  4. Store clean and dry, preferably flat or loosely folded

How can I ensure that I’m buying high-quality thermal underwear?

Look for well-known brands with a reputation for producing high-quality thermal underwear. Check customer reviews and ratings for the specific products you’re considering. Pay attention to the materials used, as well as the size and fit options available. Lastly, consider the brand’s warranty and return policy to ensure your satisfaction with the product.