20 Best Baselayer Long Underwear [2024]

Are you looking for the best baselayer long underwear? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling baselayer long underwear.

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# Preview Product
1 Duofold mens Wicking thermal underwear bottoms, Navy, Large US Duofold mens Wicking thermal underwear bottoms, Navy, Large US
2 Rocky Thermal Underwear for Women (Thermal Long Johns Set) Shirt & Pants, Base Layer... Rocky Thermal Underwear for Women (Thermal Long Johns Set) Shirt & Pants, Base Layer...
3 Indera Traditional Long Johns Thermal Underwear For Men Indera Traditional Long Johns Thermal Underwear For Men
4 TSLA Men's Thermal Underwear Set, Microfiber Soft Fleece Lined Long Johns, Winter Warm Base Layer... TSLA Men's Thermal Underwear Set, Microfiber Soft Fleece Lined Long Johns, Winter Warm Base Layer...
5 32 DEGREES Mens Heat Baselayer Active Lounge Pajama Underwear Legging, Black, Medium 32 DEGREES Mens Heat Baselayer Active Lounge Pajama Underwear Legging, Black, Medium
6 Long Underwear Men's Dry Fit Compression Baselayer Pants Running Tights Leggings Athletic Leggings... Long Underwear Men's Dry Fit Compression Baselayer Pants Running Tights Leggings Athletic...
7 DEVOPS Men's Thermal Underwear Long Johns Set with Fleece Lined (Large, Charcoal) DEVOPS Men's Thermal Underwear Long Johns Set with Fleece Lined (Large, Charcoal)
8 DEVOPS Women's 2 Pack Thermal Long Johns Underwear Leggings Pants (Medium, Black/Black) DEVOPS Women's 2 Pack Thermal Long Johns Underwear Leggings Pants (Medium, Black/Black)
9 DEVOPS Boys and Girls Thermal Underwear Long Johns Set with Fleece Lined (Medium, Navy) DEVOPS Boys and Girls Thermal Underwear Long Johns Set with Fleece Lined (Medium, Navy)
10 ViCherub Girl’s Thermal Underwear Set Kids Long Johns Fleece Lined Base Layer Top & Bottom... ViCherub Girl’s Thermal Underwear Set Kids Long Johns Fleece Lined Base Layer Top & Bottom...
11 ViCherub Womens Thermal Underwear Set Long Johns Base Layer with Fleece Lined Ultra Soft Top &... ViCherub Womens Thermal Underwear Set Long Johns Base Layer with Fleece Lined Ultra Soft Top &...
12 Kids Heat Baselayer Set, Black, Small Kids Heat Baselayer Set, Black, Small
13 Rocky Thermal Underwear For Boys (Thermal Long Johns Set) Shirt & Pants, Base Layer w/... Rocky Thermal Underwear For Boys (Thermal Long Johns Set) Shirt & Pants, Base Layer w/...
14 Fruit of the Loom Men's Recycled Premium Waffle Thermal Underwear Long Johns Bottom (1, 2, 3, and 4... Fruit of the Loom Men's Recycled Premium Waffle Thermal Underwear Long Johns Bottom (1, 2, 3, and...
15 Rocky Thermal Underwear For Girls (Thermal Long Johns Set) Shirt & Pants, Base Layer... Rocky Thermal Underwear For Girls (Thermal Long Johns Set) Shirt & Pants, Base Layer...
16 Carhartt Men's Force Midweight Classic Thermal Base Layer Pant, Black, Large Carhartt Men's Force Midweight Classic Thermal Base Layer Pant, Black, Large
17 MERIWOOL Mens Base Layer 100% Merino Wool Thermal Pants Black MERIWOOL Mens Base Layer 100% Merino Wool Thermal Pants Black
18 Columbia Midweight Baselayer Womens Tight (L) Columbia Midweight Baselayer Womens Tight (L)
19 Thermajohn Long Johns Thermal Underwear for Men Fleece Lined Base Layer Set for Cold Weather... Thermajohn Long Johns Thermal Underwear for Men Fleece Lined Base Layer Set for Cold Weather...
20 Carhartt mens Force Heavyweight Thermal Pant Base Layer Bottom, Black Heather, Large Tall US Carhartt mens Force Heavyweight Thermal Pant Base Layer Bottom, Black Heather, Large Tall US
SaleBestseller No. 1
Duofold mens Wicking thermal underwear bottoms, Navy, Large US
  • Base-layer thermal pant in two-ply cotton blend featuring flatlock seams and moisture-wicking waistband
SaleBestseller No. 2
Rocky Thermal Underwear for Women (Thermal Long Johns Set) Shirt & Pants, Base Layer...
  • NO MORE OLD-SCHOOL SCRATCHY INSULATED UNDERWEAR: Traditional cotton long underwear are simply scratchy and uncomfortable to wear for long periods of...
  • FLEECE-LINED COMFORT (WITHOUT THE BULK): Don’t let the lightweight fabric fool you, thanks to the fleece-lined design, this thermal underwear set...
  • NO MORE AWKWARD ADJUSTING THANKS TO ELASTIC SEAMS: Check out the pictures and see how this women’s thermal underwear set is crafted using elastic...
  • MACHINE WASHABLE FOR EASY CLEANUP: While cheap Thermal Underwear unravel in the washing machine after only a few cycles, Rocky uses high-quality...
SaleBestseller No. 3
Indera Traditional Long Johns Thermal Underwear For Men
  • Reliable Heat Retention: Made of cozy waffle-knit fabric, our long johns for men trap and retain body heat within the waffle pockets
  • Soft Cotton-Poly Construction: Our men’s long underwear is constructed of a comfortable cotton blend enhanced with polyester for added durability
  • Comfort-Driven Design: The ultimate long underwear, our men's thermal underwear features ribbed cuffs that help keep the cold out; A front fly...
  • Combats Cold: Our men’s long johns help you weather cold to very cold conditions during medium-exertion activities like hiking, camping, and even...
  • Versatile Sizing: Our thermal leggings are available in sizes Small through 6X
SaleBestseller No. 4
TSLA Men's Thermal Underwear Set, Microfiber Soft Fleece Lined Long Johns, Winter Warm Base Layer...
  • Alert: True to size : Please follow the size examples below*(EX: Size "Large recommended" - Size for 6" 215 lbs.) (EX: Size "Medium" 5'9"165 lbs.)
  • TSLA Thermal Underwear Series for warmth and soft touch.
  • [Materials] Mix of Polyester & Elastine fabric is excellent mobility and moisture-wicking.
  • [4-Way Stretch Fabric] It supports unrestricted movement.
  • [Top & Bottom Set] Underwear set contains 1 Top and 1 bottom.
SaleBestseller No. 5
32 DEGREES Mens Heat Baselayer Active Lounge Pajama Underwear Legging, Black, Medium
  • FEATURES -- Quick Dry, Anti-Odor, 4-Way Stretch, Lightweight, Breathable, Ultra-Soft, Fitted, Tag-Free -- Perfect for your basic needs and everyday...
  • FABRIC -- 37% Acrylic, 37% Rayon, 21% Polyester, 5% Spandex -- Lightweight knit with a lot of stretch. Quick dry technology wicks away all moisture...
  • LOUNGING -- Perfect for lounging around at home. Or as tight fitted top bottom for sleeping. Spandex adds additional stretch for full range of motion...
  • ACTIVE - On chilly morning runs can be worn under shorts or pants for additonal lightweight warmth. Or while at home working out or doing yoga. Quick...
  • COLD WEATHER - Lightweight warmth, can be worn invisibly as first layer underneath any other clothing. Acrylic-blend adds additional warmth when...
Bestseller No. 6
Long Underwear Men's Dry Fit Compression Baselayer Pants Running Tights Leggings Athletic Leggings...
  • High Performance Compression Pants - Our Leggings are made with polyester and spandex for a perfect balance between comfort and compression. Provides...
  • Enhance Athletic Performance- Our mens workout leggings help reduce muscle fatigue and soreness while performing any physical activity such as...
  • Allow Max Movement - The compression leggings for men is designed with 4 way stretch fabric for your of activities, really slim and light without...
  • Keep You Fresh and Dry - The leggings that lets you breathe! Our workout pants ensuring you produce less sweat and odors so you can stay confident in...
  • Feel Free to Wear Outside or Base Layer - The sport long johns pants for men is good to wear at home or as a thermal base layer under your coats, it...
SaleBestseller No. 7
DEVOPS Men's Thermal Underwear Long Johns Set with Fleece Lined (Large, Charcoal)
  • 【Micro Fleece Lined】 90% Polyester, 10% Spandex.
  • 【Ultra Soft & Warm】 Thermal tech fleece fabric of the baselayer caresses the skin so naturally providing maximum comfort and softness.
  • 【Stretchy & Durable】 Spandex added for extra stretch and shape retention; close-fitting style does better in retaining body heat to keep you warm.
  • 【Versatile Performance】 Thermal underwear with ultra soft hand feel and heat-retention is a perfect option during various indoor activities,...
  • 【Top & Bottom SET】 2 Piece thermal set they are ultra soft, warm, comfortable and great to wear at home or add an extra layer of warmth under your...
Bestseller No. 8
DEVOPS Women's 2 Pack Thermal Long Johns Underwear Leggings Pants (Medium, Black/Black)
  • 【Micro Fleece Lined】 90% Polyester, 10% Spandex.
  • 【Ultra Soft & Warm】 Thermal tech fleece fabric of the baselayer caresses the skin so naturally providing maximum comfort and softness.
  • 【Stretchy & Durable】 Spandex added for extra stretch and shape retention; close-fitting style does better in retaining body heat to keep you warm.
  • 【Versatile Performance】 Thermal Pants with ultra soft hand feel and heat-retention is a perfect option during various indoor activities, outdoor...
  • 【Easy Care】 Machine Washable
Bestseller No. 9
DEVOPS Boys and Girls Thermal Underwear Long Johns Set with Fleece Lined (Medium, Navy)
  • 【Micro Fleece Lined】 90% Polyester, 10% Spandex.
  • 【Ultra Soft & Warm】 Thermal tech fleece fabric of the baselayer caresses the skin so naturally providing maximum comfort and softness.
  • 【Stretchy & Durable】 Spandex added for extra stretch and shape retention; close-fitting style does better in retaining body heat to keep you warm.
  • 【Versatile Performance】 Thermal Underwear for Kids with ultra soft hand feel and heat-retention is a perfect option during various indoor...
  • 【Top & Bottom SET】 2 Piece thermal set they are ultra soft, warm, comfortable and great to wear at home or add an extra layer of warmth under your...
SaleBestseller No. 10
ViCherub Girl’s Thermal Underwear Set Kids Long Johns Fleece Lined Base Layer Top & Bottom...
  • 『Ultra Soft and Comfortable』: 92% Microfiber (Polyester) + 8% Spandex, smooth, lightweight, durable, bring your youth children warmth like live in...
  • 『Fleece Lined Keep Warm』: Girl long underwear thermals knit sets with Fleece Lining in nice thickness, gives your kids warmth for indoor outdoor...
  • 『Comfy Skin Stretch』: Four Way stretch materials with an elastic waistband, this base layer silk long john set perfectly fits body curves, keeps...
  • 『Sweat Moisture Wicking』: The thin light weight thermals clothing maintains your toddler child body heat and breathable in the extreme cold...
  • 『Idea Gifts for Family/Friends』: Warmth is the best expression of love in winter, whether your girls are running, hiking, biking, hunting,...
SaleBestseller No. 11
ViCherub Womens Thermal Underwear Set Long Johns Base Layer with Fleece Lined Ultra Soft Top &...
  • 『Ultra Soft and Comfortable』: 92% microfiber (polyester ) + 8% spandex blend super skin-touch fabric, smooth,comfort, light weight, durable and...
  • 『Comfy Skin Stretch』: This silk knit base layer long john adopt latest four way stretch with an elastic waistband, perfectly fits your body...
  • Fleece Lined Keep Warm』: Womens thermals underwear set with fleece lining in nice thickness, gives you warmth without thick or heavyweight layers...
  • 『Sweat Moisture Wicking』: The thin lightweight long underwear clothing maintains your body heat by wicking moisture away from your skin; drying...
  • 『Perfect Gift for Family/Friends』: Warmth is the best expression of love in the cold winter, whether you are running, hiking, biking, hunting,...
SaleBestseller No. 12
Kids Heat Baselayer Set, Black, Small
  • 32 Degrees Weatherproof Kids Base Layer Thermal Shirt Long Underwear Set, Black [Small: 6/7]
SaleBestseller No. 13
Rocky Thermal Underwear For Boys (Thermal Long Johns Set) Shirt & Pants, Base Layer w/...
  • NO MORE OLD-SCHOOL SCRATCHY INSULATED UNDERWEAR: Traditional cotton long underwear are simply scratchy and uncomfortable to wear for long periods of...
  • FLEECE-LINED COMFORT (WITHOUT THE BULK): Don’t let the lightweight fabric fool you, thanks to the fleece-lined design, this thermal underwear set...
  • NO MORE AWKWARD ADJUSTING THANKS TO ELASTIC SEAMS: Check out the pictures and see how this boy’s thermal underwear set is crafted using elastic...
  • MACHINE WASHABLE FOR EASY CLEANUP: While cheap Thermal Underwear unravel in the washing machine after only a few cycles, Rocky uses high-quality...
SaleBestseller No. 14
Fruit of the Loom Men's Recycled Premium Waffle Thermal Underwear Long Johns Bottom (1, 2, 3, and 4...
  • Traditional full length thermal pant made from U.S. sourced cotton and recycled polyester
  • Soft mini waffle fabric long johns underwear bottoms
  • Provides insulation and warmth in cold to moderately cold conditions
  • Moisture wicking and quick drying fabric
  • Reinforced flat seam construction
Bestseller No. 15
Rocky Thermal Underwear For Girls (Thermal Long Johns Set) Shirt & Pants, Base Layer...
  • NO MORE OLD-SCHOOL SCRATCHY INSULATED UNDERWEAR: Traditional cotton long underwear are simply scratchy and uncomfortable to wear for long periods of...
  • FLEECE-LINED COMFORT (WITHOUT THE BULK): Don’t let the lightweight fabric fool you, thanks to the fleece-lined design, this thermal underwear set...
  • NO MORE AWKWARD ADJUSTING THANKS TO ELASTIC SEAMS: Check out the pictures and see how this girl’s thermal underwear set is crafted using elastic...
  • MACHINE WASHABLE FOR EASY CLEANUP: While cheap Thermal Underwear unravel in the washing machine after only a few cycles, Rocky uses high-quality...
Bestseller No. 16
Carhartt Men's Force Midweight Classic Thermal Base Layer Pant, Black, Large
  • 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
  • Concealed dry low-stitch waistband and contoured front for comfort
  • Strategic seam placement for maximum comfort and reduced chafing
Bestseller No. 17
MERIWOOL Mens Base Layer 100% Merino Wool Thermal Pants Black
  • Package Includes: 1 - Men’s 250g/m² merino wool thermal leggings
  • SUPER SOFT: 100% all natural superfine 18.5-micron Merino wool ensures comfort all day long – no itch! EASY CARE: Your thermal pants are...
  • BREATHABLE: Keeping you cool in summer and warm in winter, MERIWOOL’s 250g/m2 weight interlock-knit Merino wool can be used as a base layer or...
  • WICKING & ODOR RESISTANCE: Merino wool’s natural wicking and odor-resistant properties keep you dry and comfortable while active in cold weather....
  • EXCEPTIONAL CUSTOMER CARE: If your MERIWOOL Men’s Leggings don’t perform to your satisfaction, return it to us within 30 DAYS with proof of...
SaleBestseller No. 19
Thermajohn Long Johns Thermal Underwear for Men Fleece Lined Base Layer Set for Cold Weather...
  • Heat Retention: When it comes to warmth and everyday wear, these long johns for men is designed specifically for you to stay protected from the cold.
  • Ultra Soft Fleece: Designed with a fleece lining & quality material, these ultra soft mens thermal underwear set will keep you feeling comfortable...
  • Moisture Wicking: Stay dry with these long underwear mens as they're made from breathable fabric that effectively wicks away moisture and...
  • 4 Way Stretch: Made with stretchable material, these thermals for men allows you freedom of movement with no chafing or bunching up when you move.
  • Layer Up: Layering is essential to ward off the cold, so bundle up with a pair of mens thermals this winter and stay comfortable while outside or in...
Bestseller No. 20
Carhartt mens Force Heavyweight Thermal Pant Base Layer Bottom, Black Heather, Large Tall US
  • Poly-wool blend regulates temperature, fast dry wicks away sweat and fights odor
  • Rugged flex technology for ease of movement
  • Smooth flat lock seams and tagless label enhance comfort
  • Concealed dry low-stitch waistband and contoured front for comfort
  • Strategic seam placement for maximum comfort and reduced chafing

Having trouble finding a great baselayer long underwear?

This problem is well understood by us because we have gone through the entire baselayer long underwear research process ourselves, which is why we have put together a comprehensive list of the best baselayer long underwears available in the market today.

After hours of searching and using all the models on the market, we have found the best baselayer long underwear for 2023. See our ranking below!

How Do You Buy The Best Baselayer Long Underwear?

Do you get stressed out thinking about shopping for a great baselayer long underwear? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching baselayer long underwear, which is why we have assembled a comprehensive list of the greatest baselayer long underwear available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for baselayer long underwear that you consider buying. Your questions might include the following:

  • Is it worth buying an baselayer long underwear?
  • What benefits are there with buying an baselayer long underwear?
  • What factors deserve consideration when shopping for an effective baselayer long underwear?
  • Why is it crucial to invest in any baselayer long underwear, much less the best one?
  • Which baselayer long underwear are good in the current market?
  • Where can you find information like this about baselayer long underwear?

We’re convinced that you likely have far more questions than just these regarding baselayer long underwear, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for baselayer long underwear, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible baselayer long underwear. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an baselayer long underwear buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available baselayer long underwear currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of baselayer long underwear has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an baselayer long underwear?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your baselayer long underwear.
  5. Customer Ratings: Number ratings grade baselayer long underwear objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their baselayer long underwear.
  7. Product Quality: You don’t always get what you pay for with an baselayer long underwear, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an baselayer long underwear is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining baselayer long underwear information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding baselayer long underwear is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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