Best Thermal Underwear Reviewed

If you’re a veteran skier you know layers are the only thing that is going to keep you warm on the coldest days. It’s more than just a coat or snow pants. You need to be aware of what you’re wearing underneath them as well. That’s why we’ve compiled this list of the best thermal underwear. To make sure that your first layer is going to keep you nice and snug throughout your day.

LAPASA Men’s Ultra Heavyweight Thermal Underwear

  • Inner Velvet Lining For Added Warmth
  • Ultra Stretch Material
  • Dimensional Tailoring
  • Ribbed Binding
  • Higher Price Point

Our number one selection on the list of the best thermal underwear’s is this heavy-duty set from Lapasa. This high-quality underwear is loaded with great features and boasts a high-quality build.

Inner Velvet Lining For Added Warmth

One of the great benefits of this set of thermal underwear is the inner velvet lining. This comfortable and durable lining will be sure to keep you extremely warm underneath all your ski gear.

This inner velvet lining is 3.6 mm thick making it quite dense. This is the sort of thermals you want to wear when it is going to be extremely cold outside. It is this velvet feature that separates this model from the rest of the crowd.

Ultra Stretch Material

The ultra-stretch material is another great feature of this thermal underwear. Despite being thick and heavier than most options on our list. This ultra-stretch material allows you to move comfortably underneath this base later.

Dimensional Tailoring

Another great benefit of this pair of thermal underwear is their dimensional tailoring. This underwear has been specifically tailored in order to allow the sort of active movements you are looking for when doing outdoor activities.

This will allow you to move freely and flexible despite the heavy duty nature of this clothing. This makes it fantastic for those extra chilly days when you’re looking to do some outdoor activities.

Ribbed Binding

The ribbed binding is the last feature we are going to cover on this set of thermal underwear. This feature sits snug against your wrist in order to stop any snow or debris from falling into your sleeves.

This may not seem like an important feature. But one fall into some deep powder and you’ll realize how handy it is to have a tight-to-wrist fit on your thermal underwear.

The only real negative we came across the research of this set of thermal underwear is the price point. It is slightly more expensive than the others on the list. But we found its high-quality features made this model worth every penny.


  • Light weight and Enhanced Durability
  • Optimized Quick Dry & Moisture Wicking Performance
  • 4 Way Stretch Span
  • Snug Fit

Next on our list is this model from Fit Extreme. This lightweight set of thermals is a fantastic option for any skiers or snowboarders looking for a quality base layer.

Light weight and Enhanced Durability

One great feature of this product is it’s lightweight and durable nature. You’ll find that when wearing this set of underwear you’ll be able to feel comfortable and still maintain a full range of movement.

This set of thermal underwear is much more lightweight and thinner than our previous model. It will not offer you quite the same level of warmth. But the lightweight build of this model will feel much more breathable and flexible.

This model also features an optimized quick-dry and moisture-wicking performance. Since this model is quite thin and lightweight it is able to dry quite quickly.

Using its moisture-wicking features this underwear will wick any sweat off your body without making the underwear itself damp.

This is especially helpful if you’re looking to wear some thermals but you tend to sweat throughout your ski day.

The thicker, bulkier models will retain the sweat and become damp. While this lightweight option offers you a chance to sweat throughout the day but still remain dry and comfortable.

4 Way Stretch Span

The last benefit we’re going to cover is the four-way stretch span. This set of underwear is designed so that it is able to flexibly move in any direction.

This is extremely important for skiers because you want to remain loose and flexible while out on the hill. This set of thermal underwear will work to not make you feel constricted throughout the day.

The only real negative we came across throughout our research with this model offered quite a snug fit. For many skiers are snowboarders this may be a benefit. But for those that don’t prefer a tight fit this style may be seen as a negative.

All in all, we found at this set of thermal underwear was a great option for any or skier or snowboarder. Especially those looking for a lightweight and flexible set of thermal underwear.

TSLA Blank Men’s Thermal Microfiber Soft Fleece

  • Four-way stretch for unrestricted movement
  • Moisture Wicking
  • Micro Fleece Lined
  • Cheapest Option
  • Multiple Colour Options
  • Not As Thick As Top Option

Next on our list of the best thermal underwear for skiers and snowboarders is this TSLA blank men’s soft fleece model. This is another great option for any winter outdoorsman looking to stay warm despite the cold weather.

This model is another light-weight thermal fleece that offers great mobility and flexibility.

Moisture Wicking

The set of thermal underwear features the same moisture-wicking technology that was used in the previous model we covered. This moisture-wicking tech ensures that any sweat is quickly wicked off your body. Keeping you dry and warm throughout the day.

This set of thermal underwear is packed with features that will keep you warm despite it being quite thin. One of these features being the microfleece lining. The entirety of this thermal underwear is lined with micro fleece. This material does a great job keeping the heat inside.

Cheapest Option

This model is the cheapest of all the sets of thermal underwear included all our list. If you’re looking for a quality set of thermal underwear but don’t want to go over budget but this low price is going to come in handy.

Another benefit of this set of thermal underwear is that it is offered in many different colour options. Whether you’re trying to match it with the rest of your ski gear or you just wanna rock your favourite colour this colour options give you a little more customization of your thermal underwear.

The only negative we came across that our research was that this set of thermal underwear was not quite as thick as some of the others. This means that in extremely cold weather this model may not be as effective as a mess the more hefty options.

That being said this set of thermal underwear works great as a base layer. It allows you incredible flexibility and mobility while skiing. If you’re looking for a quality set of thermal underwear but aren’t looking to break the bank but this is a great option.

Thermajohn Men’s Ultra Soft Thermal Underwear

  • Stretchable Fabric
  • Elastic Waistband
  • Moisture Wicking
  • Lightweight
  • Odour Control
  • Fly / Pee Hole
  • Thinner Than Other Models

Next on our list of the best thermal underwear is our pick for the most comfortable option. This Thermajohn men’s ultra soft underwear is a fantastic option for any ski or snowboarder that puts comfort first.

Stretchable Fabric

The first feature we are going to cover is the stretchable fabric. With some of these thermal underwear’s fitting quite tight you’ll be happy to see that this set from ThermaJohn is rather loose fitting while still remaining stretchable.

This means there won’t be any uncomfortable tight fits on any area of your body. This will work to increase comfort throughout the day as you wear this set of thermal underwear.

Elastic Waistband

The elastic waistband is another feature that will come in handy throughout the day. Whether it’s a big poutine at the chalet or a little extra weight over winter this elastic waistband will ensure that this set stays fitting comfortably without feeling too constricting.

Though it is built for comfort this set of thermal underwear still has some performance features. One of these being their moisture wicking.

It’s the same type of feature we covered on other pairs of thermal underwear. It works to keep you dry and comfortable throughout the day. Instead of retaining sweat getting your clothes damp and uncomfortable.

One more handy feature of this set of thermal underwear is that it has an open fly area. Every male skier or snowboarder knows the hassle of taking off all their equipment when trying to go to the washroom. This fly opening gives you one less layer you have to work with.

All in all, we found this set of thermal underwear to be a fantastic option for any skier or snowboarders that are looking to find an extremely comfortable pair of thermal underwear for a fair price.

Rocky Thermal Underwear for Women

  • Light, Mid Weight, And Heavyweight Options
  • Tons Of Design And Colour Options
  • Moisture Wicking
  • Tailored For Active Women

    The final addition to our list of the best set of thermal underwear is our top selection for women. This women’s thermal underwear from Rocky is a fantastic option for any female skiers or snowboarders looking to stay warm on the hill.

    Light, Mid Weight, And Heavyweight Options

    One are the best features of this set of thermal underwear that is available in light, mid weight and heavy weight options.

    This is a fantastic feature because it allows you to choose exactly what you’re looking for in your set of thermal underwear.

    This is great because it allows you to choose a model based on your needs. If your skier planning to go into some extremely cold climates then you may want to opt for a heavy duty option.

    But if you’re just looking to go for a quick cost country ski and want something light and breathable then the light option may be your best bet.

    Tons Of Design And Colour Options

    Another added benefit is all the colour options that are offered. If you’re trying to match it with the other winter gear this is going to make it much easier.

    This set of thermal underwear also features the same moisture wicking benefit we saw on all other models.

    Though this seems like it is included in all models it is not. If you decide to purchase one that is not featured on our list be sure that moisture wicking is included. This great feature makes a huge difference in keeping you warm and dry throughout your outdoor activities.

    Tailored For Active Women

    Another benefit is that these thermal underwear are tailored specifically for active women. If you’re looking to use these for outdoor activities you are in luck. That is exactly what this type of thermal underwear is meant for.

    All in all this sort of thermal underwear is a fantastic option for any female looking to do some outdoor winter activities.

    Frequently Asked Questions

    Where to Buy These Base Layers?

    If you’re looking to buy any pair of thermal underwear it’s likely you can find one at your local sports retailer. That being said if you’re looking to find a specific pair that fits your needs or are looking to bargain shop your best bet is to shop online.

    By shopping online you’ll find a much broader variety of thermal choose from and you’ll be able to more easily compare prices from different stores.

    Why Wear Thermals?

    Thermal underwear is a great way to retain the heat in your body. If you ask any skier they will simply tell you that layers are the key to staying warm.

    By having that snug fit base layer you will find it is much easier to stay warm and will no longer feel the effects of the cold winter elements throughout the day.

    When To Wear Thermals?

    If you’re just going for a short walk outside or skiing in spring weather thermals may not be necessary. But for any for ski day or day spent outside in cold winter elements thermal clothing will be necessary.

    It is also great to wear if you find there’s going to be a chilly wind. By wearing thermals you’ll find yourself much better protected from the cold winter air.

    How Should Thermal Underwear Fit?

    Thermal underwear can fit in several different ways. Depending on if you’re going for a lightweight more athletic style underwear which will be tight your skin.

    Or a more heavy-duty fleece style underwear that may sit on you more like a sweater.

    Your best bet is to look at the model shown wearing the type of thermals you plan to purchase. That will allow you to see how they intend that pair of underwear to fit.

    Conclusion Best Thermal Underwear Reviewed

    We hope you join our guide to the best thermal underwear. If you have any questions regarding this guide or any of the products on it please be sure to reach out in the comments below.

    If you did enjoy this guide please check out some of our others such as our guide to the best ski masks or the best ski boot bag.

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