Best Thermal Underwear Available on Amazon For Winter Season

by Jon D. B.

In the right places, winter is the most breathtaking (in more ways than one) time of year to be outdoors. It can also prove dangerous if unprepared. Make sure you’ll be safe, warm, and *dry* for your winter adventures with these top Amazon thermal underwear picks.

Winter weather can be brilliant for a hiking, camping, and sightseeing. The crisp air, combined with blankets of white strewn across the wilds can be an unbeatable experience. For outdoorsmen and women, it’s also a whole lot more pleasant to be warm during such adventures. Especially if you can accomplish this without sweating yourself into madness. Thankfully, modern thermal underwear is here to save your precious body heat.

In addition to pinpointing the gear you’ll need – we’ve selected top-rated Amazon Prime products for purchase, too. Each of these highly-rated, proven thermal underwear sets (and accessories) is a must for winter adventuring. We’ve included options for both men and women, as well.

Carhartt Men’s Force Midweight Classic Thermal

This Carhartt Men’s Force Midweight Classic Thermal is the best of the best when it comes to thermal underwear tops. Carhartt is unbeatable on quality. While this top costs the same as some of the full sets on this list, if you’re looking for longevity -this is the way to go. Amazon carries the matching Carhartt pants, as well, which we’ve listed below.

Price: $22.49 – 39.99


  • 100% Polyester
  • Machine Washable
  • Waffle knit traps heat, fast dry wicks away sweat and fights odor
  • Rugged flex technology for ease of movement
  • Smooth flatlock seams and tagless label enhance comfort


  • SHIRT ONLY – not a set
  • Pricey $$ compared to budget sets

Carhartt Men’s Force Midweight Classic Thermal Pants

If you’re buying the former shirt, you’ll need the Carhartt Men’s Force Midweight Classic Thermal Pants, as well. As mentioned, Carhartt is known for their quality, so if you’re okay with the price tag on these – they’re a top-shelf option for men.

Price: $22.49 – 39.99


  • 100% Polyester
  • Machine Washable
  • Waffle knit traps heat, fast dry wicks away sweat and fights odor
  • Rugged flex technology for ease of movement
  • Smooth flatlock seams and tagless label enhance comfort


  • PANTS ONLY – not a set
  • Pricey $$ compared to budget sets

NOOYME Thermal Underwear for Women

Similarly, the new NOOYME Thermal Underwear Set for Women is Amazon’s top new seller in the category. The reviews so far are stellar. In addition, this set looks really sharp as-is.

They’re designed to preserve heat effectively with “ultra-soft” fleece lining, as well. Most importantly, the product description notes that these are “the only advanced bamboo charcoal long johns for women”. They “perform well on moisture wicking, heat retention and comfort.”

And at around $27 for the set (shirt & pants), this set is an excellent option.

Price: $25.99 – 27.99


  • Preserve heat with ultra-soft fleece lining
  • Multi-functional Advanced Material: Superior to fabrics and cotton , the only advanced bamboo charcoal long johns for women
  • 4-Way Stretch Compression Suit
  • Superior Wicking Capability: Equipped with 52% bamboo charcoal fiber, The base layer women is highly absorbent, 40%+ more absorbent than even the finest cotton.


  • New product, so customer service is unproven

UNIQUEBELLA Men’s Thermal Underwear Sets

For a more budget-friendly option, the UNIQUEBELLA Men’s Thermal Underwear Sets are the way to go. With a rating close to 5 stars at over 3,000 reviews, this cheap set holds up & looks good doing it. They’re designed for heat preservation, and have fleece lining. The polyester and spandex blend is ideal for those looking for max breathability, as well.

Price: $22.99 – 23.99


  • Designed with high quality fleece lining
  • Affordable
  • Windproof
  • Breathable and moisture wicking fabric is perfect to keep sweat away and dry fast
  • Made of 92% polyester and 8% spandex


  • A few reviews pinpoint the budget nature of these sets

MANCYFIT Thermal Underwear Sets – Polypropylene FTW

Thermal, long underwear is the way to go for winter. Taking the place of old-school long johns, the new wave of polypropylene and spandex wearables make for super-insulating underwear without sacrificing breathability.

For adventuring women, Amazon has the highly-rated MANCYFIT Thermal Underwear sets for $15.99 to 39.99. Price differs according to the size and color you want. There’s a lot of options here, too.

 “Perfect for cold weather, comfy stretch softwear in normal thickness is lightly fleece lined, lightweight but warm, works excellently during your winter activities like snowboarding for added warmth and thermal insulation.”

For the men, we recommend Thermajohn Men’s Ultra Soft Thermal Underwear, which sits at a decent $25.99 while on sale. This “2 Piece thermal set is ultra soft, warm, comfortable and great to add an extra layer of warmth under your clothes.”

Price: $25.99


  • added warmth and thermal insulation
  • super-insulating underwear without sacrificing breathability
  • ultra soft & comfortable


  • Hard to size without trying on
  • Can cause to overheat if worn during warm days

High Performance Winter Sports Wool Socks

We know – it feels like socks end up on every gift list – but your feet will need protection from the winter elements, too! Also – socks rule, and no one will convince us otherwise.

As such, if you’ve been sloping with normal socks or overly-thick, lesser-material socks that can irritate your skin after too much heat & friction – then you’re doing it wrong!

That’s where these High-Performance Winter Sports Wool Socks come in. With pairs available for both women & men, these wool socks will keep your feet warm and protected during your favorite winter sports. The best part? They’re super affordable for what they are.

Price: $8.99 to $14.99


  • 100% fit your foot and non-slip
  • Proper air permeability can prevent the buildup of sweat
  • Elastic, durable design
  • Low price


  • Wool holds water, so be sure to keep your feet dry inside boots/gear

Find What You Need?

If you’re heading to the slopes this winter, then we’ve got plenty more of the best winter sports gear that’ll have you set up like a pro.

In addition, we’ve also got the best cold-weather adventuring gear & accessories you’ll need to stay warm on your next winter camping trek. From thermal sleeping pads, to handwarmers and mummy, low-temp sleeping bags, you’ll be all set with these pro items.