If you work in a cold environment or enjoy taking part in such outdoor activities as mountaineering, skiing, and snowboarding, a thermal underwear bottom is a must-have. Like thermal underwear tops, thermal underwear bottoms are equipped with thermal technology, which enables them to prevent heat from escaping to help keep you warm all through. They have a low profile, and, therefore, can easily be worn under jeans or other trousers. Besides, thermal underwear bottoms wick away moisture; hence, you should not be worried about heat and odor buildup. They make cold working environments favorable by offering ultimate comfort. Should you need one, then the following top 10 best men’s thermal underwear bottoms in 2019 reviews will be of great help.
Checkout Top 10 Best Men’s Thermal Underwear Bottoms
1. Duofold Men’s Thermal Pants – Midweight (Wicking)
Since they are designed to wick away moisture and keep you dry, these thermal pants are what you need to have for daily warmth. They are also ideal for low activity levels during cold weather. Besides, these pants are equipped with soft textured knit that traps air between 2 thermal layers to help keep you warm. Plus they have a tag-free and elastic waist that wicks away moisture, so you can be completely comfortable. The ankle of these pants has rib knit cuffs that block chills as well as flat-locked seams, which are non-chafe to ensure optimum performance.
- Super comfortable and fit perfectly
- The color is spot on
- The waist is fine
- A little tight around the legs
2. Carhartt Men’s Base Force Super Cold Weather Legging
Super cold days need this men’s base force legging. This is because the legging wicks away moisture to help keep you comfortable in an otherwise super cold weather. It is made of 100-percent cotton, which helps retain heat, so you can be warm throughout. Furthermore, this legging has a logoed-elastic waistband to improve your pride when you have it on. And when it gets dirty, simply throw it into the machine for quick cleanup.
- Available in two colors to choose from
- Will keep you warm and dry
- Thick and very comfortable
- Ideal for very cold weather
- Long enough to fit tall men
- Duofold Men’s Midweight Thermal Pant (Double-Layer)
3. The ankle stitching is tight
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Duofold has created this thermal pant with double-layer technology, so it can prevent heat from escaping in order to offer warmth. They have used 65-percent cotton and 25-percent merino wool on the inside to enable the thermal pant to provide comfort as well. Then on the outside, Duofold has used 10-percent nylon, which is very durable and easy to clean should it get dirty. Considering its design, this thermal pant promises to be really helpful in any super cold condition.
- The fabric feels very soft and light
- Warm and super comfortable
- The legs fit well
- Available in all sizes (small, medium, large, and extra-large)
- Shrinks a bit
4. Hanes Men’s Red Label X-Temp Thermal Pant
What impresses us about this thermal pant is the x-temp technology, which in one way or another, helps improve warmth. And this means it makes the thermal pant ideal for extremely cold conditions. We also like the materials Hanes has used to make this pant. Well, they have used 60-percent cotton to help contribute to comfort and 40-percent polyester to help promote durability. You will, therefore, have a comfortable and durable pant. Moreover, this pant is shrinkage controlled; hence, it will not shrink like most thermal pants in the same class.
- Available in three different colors to choose from
- Rib knit cuffs are comfortable
- Fairly warm and soft
- Could be better with a thicker fabric
5. Duofold Men’s Heavy Weight Thermal Pant (Double-Layer)
It is all about keeping cold at bay by using a double-layered pant like the Duofold Men’s Heavy Weight Pant. Duofold has specially equipped it with a double-layer, so it can provide warmth in extremely cold places. They have also included moisture management technology that wicks moisture away from the skin while locking in heat. In addition, we love the fact that the material used to make this pant is an anti-microbial fabric, which helps resist odor to maintain freshness.
- Versatile; ideal for cycling, hiking, running, and snow sports
- Can be worn under work jeans
- Soft and warm
- Easy to move in and care for
- A little smaller
6. Duofold Men’s Mid-Weight Thermal Pant (Varitherm)
This time around, Duofold has used VariTherm advanced fiber technology to enable this thermal pant to provide warmth in cold weather. The VariTherm technology works by pulling moisture out while locking heat in, thereby, providing maximum comfort and protection. Because of this technology, the thermal pant is perfect for running, cycling, and skiing, among other activities. Unlike other thermal pants, this one is made of 4-percent spandex and 96-percent polyester for ultimate durability.
- Warm and fits great
- Available in beautiful colors
- The price is affordable
- Dries much faster and retains the smooth, new look
- Offers a perfect level of insulation
- Could be better with the fly
7. Terramar Men’s Thermolator Climasense Brushed Pants
The thermolator is a high functioning fabric that is ultra-soft and has thermoregulation technology. Well, the technology automatically adjusts to the body temperature. And this means it traps air to maintain warmth or allows moisture vapor to escape when aerobic activity rises and the surface temperature increases. As such, these pants are perfect for skiing and mountaineering. We also love the fact that they are equipped with 4-way stretch to ensure ease of movement as well as mesh panels to improve breathability.
- The price is pocket-friendly
- Fit great and provide warmth
- Have a superb base layer
- Give exceptional performance
- They are a little tight
8. TexereSilk Men’s Organic Thermal Underwear Pants
TexereSilk Men’s Underwear Pants have a moisture-wicking ability that enables them to wick away moisture from your body to keep you dry. They also feature temperature-regulating technology, meaning you can wear them in virtually any environment. These pants will protect you from both hot and cold environment. TexereSilk has equipped them with a low profile look to make it easy wearing them under trousers or jeans. Plus they have used 100-percent organic cotton, which is safe on the skin as well as to the environment.
- Fit perfectly even after several washes
- Ideal for those who work in a cold environment
- Smooth texture and move well
- Pants shrink a little; though, you can line dry to prevent this
9. Terramar Men’s Military Fleece Pants
Designed with a flat seam construction, these military fleece pants do not have the annoying chafing and rubbing. Besides, they are made of lightweight, breathable and non-pill fleece, which has an excellent warmth-to-weight ratio. The fleece acts as a thermal barrier for extra warmth. Another stunning feature of these pants is ec2 Quik-Dri Comfort Technology, which wicks away moisture from the skin and provides exceptional warmth. The technology enables these pants to dry quickly as well as inhibiting the growth of bacteria that causes odor.
- The material and stitching are good
- Fit well and offer exceptional warmth
- The price is not exaggerated
- They are a little baggy
10. Carhartt Men’s Tall Base Force Cotton Bottom
Carhartt has made this cotton bottom with moisture-wicking technology, which allows it to keep your skin dry and comfortable. In addition, they have made it with 100-percent cotton rings-spun knit to further add comfort, and, of course, warmth. This means you can rely on this bottom to help protect you from a cold environment. We like the fact that the bottom not only provides warmth but also keeps it with its rib-knit cuffs. It has a force logo, Carhartt logo, and a tagless neck label, so you can wear it with pride.
- Perfect for tall people
- Warm and comfortable
- The material and cut are great
- Somewhat difficult to fit under clothing
Buyer’s Guide for the Best Men’s Thermal Underwear Bottom
In our buyer’s guide, we have listed a number of factors that will help you choose the best thermal underwear bottom. Check them out.
You should choose a thermal underwear bottom made of an easy-to-care-for material. Also, the material you go for should be durable as well as not shrinking a lot when washed. On that note, some of the materials you can consider are cotton, spandex, polyester, and merino wool.
Warmth and Comfort
A good thermal underwear bottom should provide warmth and comfort at the same time. And to determine whether a thermal bottom can achieve that, check if it has such features as moisture-wicking technology for comfort and double-layer for retaining heat. You can also check whether its material is soft, as this contributes to comfort as well.
Many have bought a pair of thermal underwear bottoms only to find out later that the size is not for them. So, to avoid inconveniences like this, you need to go through the sizing chart before you decide what will fit you perfectly. Remember, most thermal underwear bottoms fit true to size. So, be true to yourself.
We believe that you should have the best men’s thermal underwear bottoms if you decide to go for one. That’s why we have gathered these bottoms that are currently the best selling on the market. With them, you will not be worried about cold environments because they preserve heat, offer warmth, and provide comfort.