10 best base layer for extreme cold

Base layers for extreme cold are specialized clothing designed to provide thermal insulation and moisture-wicking properties to keep the wearer warm and dry in frigid conditions. These garments are typically worn as the innermost layer of clothing and are especially popular among outdoor enthusiasts, winter sports enthusiasts, and those who work in cold environments. Here are some key points related to base layers for extreme cold:

Thermal Insulation: Base layers for extreme cold are made from materials that offer excellent thermal insulation properties. They are designed to trap body heat close to the skin, providing a layer of warmth that helps to regulate body temperature in freezing conditions.
Moisture-Wicking: One of the primary functions of these base layers is moisture management. They are designed to wick moisture (sweat) away from the skin to the outer layers of clothing. This keeps the wearer dry and prevents the accumulation of moisture, which can lead to discomfort and even hypothermia in extremely cold conditions.
Material Choices: Base layers are typically made from synthetic materials like polyester or natural fibers like merino wool. Merino wool, in particular, is prized for its exceptional warmth, moisture-wicking abilities, and odor resistance.
Fit and Layering: Base layers should have a snug, yet comfortable fit. They are designed to be worn close to the skin to maximize their insulating and moisture-wicking properties. They serve as the foundational layer, with additional clothing layers (mid-layers and outer layers) added as needed for insulation and protection.
Types of Base Layers: Base layers come in various weights or thicknesses, ranging from lightweight (for mild cold) to heavyweight (for extreme cold). The choice of weight depends on the severity of the cold weather conditions and the wearer's activity level.
Features: Some base layers may have additional features such as thumbholes to keep sleeves in place, zippered necks for ventilation, and antimicrobial properties to reduce odor buildup during extended use.
Men's and Women's Options: Base layers are available in both men's and women's styles, with variations in fit and design to accommodate different body shapes and preferences.
Outdoor Activities: These base layers are ideal for various outdoor activities in extreme cold, including skiing, snowboarding, ice climbing, hiking, and winter camping. They provide the foundation for layering systems that keep individuals warm and comfortable during extended exposure to cold weather.
Versatility: Base layers for extreme cold are not limited to outdoor enthusiasts. They are also suitable for people who work in cold environments, such as construction workers, firefighters, and military personnel.

In conclusion, base layers for extreme cold are essential garments designed to provide thermal insulation and moisture-wicking properties, making them indispensable for staying warm and comfortable in harsh winter conditions.They are available in various styles and weights to suit different needs and preferences.

Below you can find our editor's choice of the best base layer for extreme cold on the market

Carhartt Men's Base Force Midweight Classic Crew

Carhartt

Based on 2 reviews Check latest price

Product description

Carhartt Men's Base Force Midweight Classic Crew (MBL113) is a thermal base layer long-sleeve shirt featuring classic waffle knit fabric for easy-wearing warmth. Designed to keep you warm, dry, and comfortable, this crew neck base layer top uses FastDry and Rugged Flex technologies and odor-fighting fabric. FastDry wicks away sweat and Rugged Flex is for ease of movement, giving your arms a full range of motion. Made of 200 GSM/6-ounces of 100% polyester, this base layer shirt is perfect for layering when you need extra protection on cold weather days. Smooth flatlock seams, tagless labels, and fabric cut to move with your body make this base layer top comfortable to wear while working or while relaxing on your days off. Conveniently concealed thumb loops keep your sleeves in place when you put on another layer. This base layer top works as hard as you do to keep you warm, dry, and odor free throughout the workday. Pair it with Carhartt Men’s Base Force Midweight Classic Bottoms (MBL115) for a complete base layer set.

100% Polyester
Imported
No Closure closure
Machine Wash
Classic waffle knit traps heat
FastDry wicks away sweat; fights odors
Rugged Flex technology for ease of movement

User questions & answers

Question:	Did i buy carhart top and bottom ? Pamela s Allison
Answer:	They are unisex. But they do sell them for women too . I bought them they keep you very warm .
Question:	Are these soft or rough
Answer:	Ni if you have prime it took 2 days
Question:	how do i get sawdust off? it sticks tk it like glue
Answer:	Just my opinion, I would get a Medium-Large. Pajamas are usually big for their stated size; however, you want more of a tight fit with thermal underwear as to keep the heat in, and usually warn under regular clothing. So I would say medium. Everything fits differently, but I would say the medium would be a better choice under a large shirt.
Question:	Received in a rolled up in a plastic bag not a retail package, anybody else have this issue? not giftable imo
Answer:	Yes it’s a shirt and pants. You wear them uber your clothes to keep you warm. My husband says they are awesome and keeps him warm.

Thermal Underwear for Women (Thermal Long Johns) Sleeve Shirt & Pants Set, Base Layer w/Leggings Bottoms Ski/Extreme Cold

Based on 129 reviews Check latest price

90% polyester and 10% spandex blend with fleece lining.
KEEP WARM (WITHOUT THE SWEATY MESS): The unique breathable, moisture-wicking fibers on Thermeez thermal underwear keeps you warm, without becoming sweat-soaked, so trips to the snow aren’t ruined by constant sweating or overheating
NO MORE OLD-SCHOOL SCRATCHY INSULATED UNDERWEAR: Traditional cotton long underwear are simply scratchy and uncomfortable to wear for long periods of time, Thermeez thermals are made from a soft, comfy polyester blend that even the pickiest men enjoy, so you can keep your winter adventures going all day
FLEECE-LINED COMFORT (WITHOUT THE BULK): Don’t let the thin, lightweight fabric fool you, thanks to the fleece-lined design, this thermal underwear set gives you high-quality warmth than traditional puffy thermals or wool base layers that leaves you feeling strangled or trapped
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 seams that keep tops and bottoms from falling down or bunching up (even on long walks), and if your family enjoys skiing, snowboarding, or ice skating then Thermeez makes a great base layer -- but without the sagging and ‘awkward adjustments’
MACHINE WASHABLE FOR EASY CLEANUP: While cheap Thermal Underwear unravel in the washing machine after only a few cycles, Thermeez uses high-quality stitching for thermal leggings and long sleeve shirts that stand up to the washer -- even with super-active adventures

User questions & answers

Question:	size 10/12 would I need to order med. or lrg
Answer:	They fit my victory 2015 magnum

Carhartt Men's 102224 Base Force Extremes Cold Weather Camo Quarter Zi

Based on 86 reviews Check latest price

5.3-ounce, 80% Cocona® 37.5® polyester/20% polyester
FastDry® with 37.5 Technology makes this our fastest drying gear
Fights odors
Mock-neck collar with quarter length zipper
Smooth flatlock seams enhance comfort

User questions & answers

Question:	Solo es la camisa? No viene con su pantalón como se ve en la foto
Answer:	No this will not fit a softail frame only touring frames. So Road king,Street glide,and road glide is what this will fit.
Question:	Is this top and bottom
Answer:	should fit 1996-2013 harley touring bikes
Question:	This is for the top right? Because the size chart only talks about the bottoms
Answer:	No. This is for touring models. If you do get it you may need to make some modifications or brackets.
Question:	Is this a two piece set or just the top or just the bottoms..Where does it say
Answer:	It was a gift for a friend. He has thr very same bike that you're asking about and it fits great. Ok!

DAVID ARCHY Men's Thermal Underwear Ultra Soft Brushed Thermal Pants Bottoms Long Johns and Top Quick Dry Base Layer Set

Based on 2 reviews Check latest price

86% Polyester, 14% Spandex
Quick Dry Material: Made of high-end polyester brushed fabric, the thermal underwear for men has ultra smooth sense of hand, provides great moisture-wicking and speedy-dry wearing experience.
Functional Fly: Considerate front opening on thermal bottoms enables easy-go when nature calls.
Lightweight Base Layer: Keeps you warm all day long during the cold winter without being bound, ensures comfort for daily wearing.
Snug Fit: Fashionable design makes the thermal underwear better fitting, ensures flexibility of any movement and heat retention at the same time.
Ideal Gift: Versatile performance on all kinds of indoor and outdoor activities, such as jogging, running, cycling, skiing, climbing, yoga, fitness body training etc.

User questions & answers

Question:	What size for 5'11" 170 athletic build? Id prefer them to be a little snug rather than too loose. Thank you
Answer:	I'm pretty thin (6'1", 160, inseam 32, sleeve length 34). I have the large size and I'd say they are a bit on the loose side but very comfortable. And the inseam and sleeve lengths are perfect. So I would think the large might work well for you.
Question:	Before purchasing, how well can these handle negative degree weather
Answer:	made in china. not to good , unless u are working and moving a lot , if u stop and rest u will get cold.
Question:	Are the legs too short for a 6' 3" man in a large
Answer:	Yes. I am 5’9” and o got large and they fit very nicely.
Question:	My chest is a 48" my waist is 33" what size should I order
Answer:	I have the same build and I ordered large.

Product features

FOR SKIING

FOR CLIMBING

FOR JOGGING

Soft and warm

Winter base layer is made of specially developed micro fleece fabrics. Thermal fleece materials provide enhanced warmth and thermal insulation.

Stretch Fabric

High density fabrics that provide comfort without losing shape after long time wear.

Moisture Wicking

Designed to keep you dry, this long sleeved shirt and long pants are made to be wick away sweat and other moisture, no matter how active you are.

Fly/Pee Hole

For the convenience of men,our thermal pants designed a fly hole,which allow you to pee easily without removing the thermal pants.

Carhartt Men's Force Heavyweight Thermal Base Layer Pant

Based on 871 reviews Check latest price

Imported
No Closure closure
Machine Wash
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

User questions & answers

Question:	Does these keep you warm in low 50F windy foggy conditions
Answer:	varify handle bar size...and order the part that fits
Question:	For best results should this be worn tight or loose
Answer:	Lever doesn't know the differ6 if you using it for a clutch or a rear brake
Question:	I'm 6'0 145lbs i wear a 32x32 pants what size is that? Medium
Answer:	varify the handle bar size...if bars are 7/8...that part will fit.
Question:	What is the fabric's GSM
Answer:	No

Thermal Underwear for Men Long Johns for Men, Base Layer Men for Cold Weather

Based on 1 reviews Check latest price

Beat the Cold : Designed with ultra-soft lining fleece, the thermal underwear for men keeps the cold air out and preserve heat effectively in Extreme Cold Weather. Also, the intensive and professional seaming reduces heat dispeating. It is the best base layermen in cold weather to keep you warm during skiing, running, jogging, hiking, riding, walking the dog in winter.
Multi-functional Advanced Material: Superior to fabrics , as the only advanced bamboo charcoal long johns for men, it performs well on heat retention and moisture wicking. The bamboo charcoal fiber takes in three times water than other fabrics. Consequently it gets rid of moisture faster, and keep you warm and dry with no sticky or clammy feeling.
4-Way Stretch Compression Suits：Added non abrasion fabric material with excellent elasticity and durability, the base layer men is high elastic, add range of motion and offer maximum freedom and support of your body . Besides, designed to increase blood flow and amount of oxygen in the blood,the thermal underwear for menimproves blood circulation,protect you from muscle injury and fits for sport activities, workouts.
Superior Wicking Capability: Made from bamboo charcoal fiber, the long johns for men is highly absorbent, 40%+ more absorbent than other fabrics. Filled with micro gaps and holes, the bamboo charcoal fiber allows for the best moisture absorption and ventilation. You no longer worry about that sticky or clammy feeling as work out or lounge at home , so your comfort and dryness are assured.
For Any Occasions : This thermal underwear for men is the perfect option during various indoor activities and outdoor excursion. It is the best choice for hiking long johns for men,thermal ski underwear for men, thermal underwear for jogging, thermal underwear for riding etc. PLEASE REFER TO IMAGE of ACTUAL MEASUREMENT on Left Side in advance of your purchase. If you need any help ,please feel free to contact us.

User questions & answers

Question:	I'm 6'7 and 200lbs, i know, thin build for my height. Which is why i have such a problem ordering things like these. Would any of these sizes work
Answer:	No
Question:	Tiene de estas prendas pero para mujeres
Answer:	very roomy, I can move my toes without issue
Question:	does the material shrink with washing and drying
Answer:	They don’t have any leather on them at all. Extremely lite but collects dust pretty fast if you go for the all black pair.
Question:	Which size will fit 33 waist
Answer:	you'd better choose size 9!

Product features

RIOJOY Thermal Underwear for Men, Cold Weather Mens Shirts, Mens Thermal Underwear Set, Sport Base Thermal Underwear Set

RIOJOY Men’s Thermal Underwear Set, Sport Long Johns Base Layer for Male, Winter Gear Compression Suits for Skiing Running Cycling

Wear RIOJOY Thermal Underwear Men Base Layer, Defeat the Cold Winter and Bring You Warmth!

Warm Velvet

Mens long johns comes with fleece lining and only 0.4kg weight,keep you warm in the cold weather and absolutely Non-Bulky.

Fine workmanship

Thermal sets Four-pin six-wire process avoids friction between the garment and the skin, increasing the comfort of the wearer, perfect for workout.

Super Elastic

Elastic waistband, comfortable to wear without indentation, the compression underwear set allow you to move freely at any time without worry about falling.

FLEECE Lined & Heat Retention

The long johns for men is made of premium Micro-fleece, providing enhanced warmth and insulation. Thus it minimizes heat loss and regulate your body temperature in cold conditions. Besides, the closely and tightly knitted seams help retain body heat and keep you warm all day.

Moisture Wick & Quick Dry

Different from other fabrics, it is made of 52% advanced Bamboo charcoal, highly absorbent, much more so and faster drying than other fabrics. Filled with micro gaps and micro holes, it allows for better moisture absorption and ventilation than other fibers.Consequently, the base layer men is equipped with excellent Moisture Wick and Quick Dry performance. It absorbs sweat instantly after exercise and prevents the skin stickiness .

Ultra-soft

Due to breathable Bamboo charcoal fiber with micro holes, the long men’s underwear provides a super breezy feeling and makes it ultra-soft ,breathable, preventing body smell and keeping you fresh all day.Besides, the intensive four-pin six-wire seaming process avoids friction between the garment and the skin,perfect for in door activities and outdoor excursion, such as skiing, hiking , riding etc.

Carhartt Men's Base Force Extremes Cold Weather Crewneck Sweatshirt

Carhartt Sportswear - Mens

Based on 186 reviews Check latest price

Product description

Don't hit walls, knock them down. End the day as strong as you started in this ultimate climate control layer. Absorbs and traps odors to release in the wash. Made from 5.3-ounce, 80 percent cocona 37.5 polyester/20 percent polyester and offers the fast dry with 37.5 technology which makes this our fastest drying gear, it fights odors, has smooth flat lock seams enhance comfort, a drop tail that adds coverage, tagless neck label for comfort and the Carhartt force extremes labeling printed on back neck.

100% Polyester
Imported
Machine Wash
Fast dry with 37.5 technology
Fights odors
Smooth flat lock seams enhance comfort
Drop tail adds coverage. Tag less neck label
80 percent cocona, 20 percent polyester

Thermal Underwear for Girls (Thermal Long Johns) Sleeve Shirt & Pants Set, Base Layer w/Leggings Bottoms Ski/Extreme Cold

Based on 16 reviews Check latest price

KEEP KIDS WARM (WITHOUT THE SWEATY MESS): Parents say the unique breathable, moisture-wicking fibers on Thermeez thermal underwear keeps girls warm, without becoming sweat-soaked, so trips to the snow aren’t ruined by constant complaints of sweating or overheating
NO MORE OLD-SCHOOL SCRATCHY INSULATED UNDERWEAR: Traditional cotton long underwear are simply scratchy and uncomfortable to wear for long periods of time, Thermeez thermals are made from a soft, comfy polyester blend that even the pickiest kids enjoy, so you can keep your winter adventures going all day
FLEECE-LINED COMFORT (WITHOUT THE BULK): Don’t let the thin, lightweight fabric fool you, thanks to the fleece-lined design, this thermal underwear set give your little one high-quality warmth that parents say keeps kids warmer than traditional puffy thermals or wool base layers that leave kids feeling strangled or trapped
NO MORE AWKWARD ADJUSTING THANKS TO ELASTIC SEAMS: Check out the pictures and see how this girls thermal underwear set is crafted using elastic seems that keep tops and bottoms from falling down or bunching up (even on long walks to school), and if your family enjoys skiing, snowboarding, or ice skating then Thermeez makes a great base layer -- but without the sagging and ‘awkward adjustments’
MACHINE WASHABLE FOR EASY CLEANUP: While cheap Thermal Underwear unravel in the washing machine after only a few cycles, Thermeez uses high-quality stitching for thermal leggings and long sleeve shirts that stand up to the washer -- even with super-active kids and many muddy adventures

User questions & answers

Question:	There is no size chart
Answer:	Not sure but the lever is a stander size. Find out what size you bar is and go from there

LAPASA Men's Heavyweight Thermal Underwear Pants Fleece Lined Long Johns Leggings Base Layer Bottom M25

Based on 1 reviews Check latest price

95% Polyester, 5% Spandex
260g/㎡ Heavyweight Thermal for Super Warmth: LAPASA men's heavyweight thermal underwear leggings are suitable for extreme cold and frigid temperatures when more warmth is required to regulate the body temperature. Added fleece lined is suitable for winter sports in the snow.
Fleece Lined Fabric: Inner fleece fabric maintains body temperature and less friction to skin. It wicks moisture away from skin for drier and comfort.
Four Way Stretch: Elastic fabric makes it comfortable and flexible. It is functional for any body movement.
Draping Tailoring: provides super comfort and excellent body fit. It supports freedom to movement especially for shoulder.
Open Fly Design: Provides more convenience for daily life.

User questions & answers

Question:	My husband wears 36w 30 l What size should I buy
Answer:	They are true to size in my opinion
Question:	My husband is 6’1” & about 190 lbs. he wears size 34w, 36l in regular pants. he wants snug, but not tight. what size
Answer:	I got a 3 pack at their online store
Question:	Does the elastic in the ankle fit tight
Answer:	All my merino.tech purchases so far have arrived in a black merino.tech ziploc bag. I’d be happy to send it as a gift to friends and family.
Question:	What is the length of each size? Size chart shows only waist not length
Answer:	Yes, all Merino.tech gear is made from 100% Non-Mulesed Organic Merino Wool from New Zealand.

Thermal Underwear for Men (Thermal Long Johns) Sleeve Shirt & Pants Set, Base Layer w/Leggings Bottoms Ski/Extreme Cold

Based on 77 reviews Check latest price

KEEP WARM (WITHOUT THE SWEATY MESS): The unique breathable, moisture-wicking fibers on Thermeez thermal underwear keeps you warm, without becoming sweat-soaked, so trips to the snow aren’t ruined by constant sweating or overheating
NO MORE OLD-SCHOOL SCRATCHY INSULATED UNDERWEAR: Traditional cotton long underwear are simply scratchy and uncomfortable to wear for long periods of time, Thermeez thermals are made from a soft, comfy polyester blend that even the pickiest men enjoy, so you can keep your winter adventures going all day
FLEECE-LINED COMFORT (WITHOUT THE BULK): Don’t let the thin, lightweight fabric fool you, thanks to the fleece-lined design, this thermal underwear set gives you high-quality warmth than traditional puffy thermals or wool base layers that leaves you feeling strangled or trapped
NO MORE AWKWARD ADJUSTING THANKS TO ELASTIC SEAMS: Check out the pictures and see how this man's thermal underwear set is crafted using elastic seams that keep tops and bottoms from falling down or bunching up (even on long walks), and if your family enjoys skiing, snowboarding, or ice skating then Thermeez makes a great base layer -- but without the sagging and ‘awkward adjustments’
MACHINE WASHABLE FOR EASY CLEANUP: While cheap Thermal Underwear unravel in the washing machine after only a few cycles, Thermeez uses high-quality stitching for thermal leggings and long sleeve shirts that stand up to the washer -- even with super-active adventures

User questions & answers

Question:	Are these true to size? My husband wears a medium in the fruit of the loom thermals. What size should we get
Answer:	Yes, this levers can fit FJ09 2015-2018 version. So please must check the levers "title" or “product description” before order, it will display the levers fit Yamaha FJ-09 MT-09 Tracer 2015-2018
Question:	Do the bottoms have front opening, like men’s underwear opening
Answer:	Yes, this levers can fit FJ09 2015-2018 version. So please must check the levers "title" or “product description” before order, it will display the levers fit Yamaha FJ-09 MT-09 Tracer 2015-2018
Question:	fabric content
Answer:	Yes, this levers can fit FJ09 2015-2018 version. So please must check the levers "title" or “product description” before order, it will display the levers fit Yamaha FJ-09 MT-09 Tracer 2015-2018