10 Best thermal underwear for men (2025)

10 Best thermal underwear for men in 2025 offers a perfect blend of comfort, warmth, and style for the cold months ahead. These top-rated options feature advanced moisture-wicking fabrics, ensuring you stay dry and cozy during outdoor activities. Brands like Under Armour and Patagonia lead the pack with their innovative designs, while options from Smartwool and Icebreaker provide excellent insulation without bulk. Whether you prefer lightweight layers or heavier options for extreme conditions, this list has something for every man. Stay warm and comfortable this winter with the best thermal underwear tailored to your needs.

SaleBestseller No. 1

Thermajohn Long Johns Thermal Underwear for Men Fleece Lined Base Layer Set for Cold Weather (Small, Black)

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 throughout the day.
Moisture Wicking: Stay dry with these long underwear mens as they're made from breathable fabric that effectively wicks away moisture and perspiration.
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 bed as a pajama.

Bestseller No. 2

Fruit of The Loom Men's Recycled Premium Waffle Thermal Underwear Long Johns Bottom (1, 2, 3, and 4 Packs), Black, Medium

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. 3

Fruit of The Loom Men's Recycled Waffle Thermal Underwear Set (Top and Bottom), Greystone Heather, Medium

Classic thermal long sleeve crew neck top and bottom
Made from U.S. sourced cotton and recycled polyester
Medium Weight
Ideal for moderately cool to cold conditions
Easy Care

SaleBestseller No. 4

CL convallaria Thermal Underwear for Men, Long Johns Winter Hunting Gear Sport Base Layer Top and Bottom Set Midweight Black L

Extreme Warmth and Comfort: Made from 90% polyester and 10% spandex super soft fabric, they also help reduce pilling and shrinkage. Adding some extra cozy, warm fleece to the mix, our long johns amazingly help to tackle extreme cold weather conditions
Strong Moisture Wicking: The unique breathable, moisture-wicking fibers on our thermal underwear will wick away moisture to keep you dry with no sticky or clammy feeling so you can wear them all day for your work or snow adventure
4-Way Stretch: The design of the Four-way stretch make the reach and squat more comfortable while retaining excellent elasticity and durability for maximum mobility. Use high-quality stitching to beat super-active days and many muddy adventures
Easy Care Base Layer Set: Tagless design in order to obtain greater comfort. The highest dyeing fastness even after multiple washing will not fade and shrink. Fitted with fashion elastic band for added comfort to keep bottoms from falling down
Best Gift Choice: We stock these crew or turtle neck thermals for men in a wide range of sizes. If your family enjoys hunting;camping;snowboarding;skiing;cycling or running then it will be a great choice. A wonderful Gift for mens Christmas Birthday

Bestseller No. 5

Place and Street Men’s Cotton Thermal Underwear Set Shirt Pants Long Johns White

2 pieces: 1 men's thermal shirt, 1 men's thermal pant
60% Cotton, 40% Ultra-Soft Polyester
These heavyweight cotton men's thermal sets are engineered with advanced performance and endurance in mind. The cotton-blend fabrics help you endure the harshest environments. Advanced thermoregulation technology works to keep you comfortable in a variety of environments.
Featuring premium RetentionX waffle-knit fabric, these men's thermals feature a blend of cotton and stretch yarns. Multi-Wick technology keeps you warm and dry.
Breathable waffle-knit thermal construction keeps you odor free. Functional fly.

Bestseller No. 6

Fruit of the Loom Men's Recycled Waffle Thermal Underwear Crew Top (1 and 2 Packs), Black/Navy, Large

Soft mini waffle fabric thermal long sleeve crew neck t-shirt made from U.S. sourced cotton and recycled polyester
Wicks away moisture to keep you comfortable
Retains heat to keep you warm
Tagless label for added comfort
Includes top only

Bestseller No. 7

TELALEO 2 Set Mens Thermal Underwear Fleece Lined Long Johns 4 Pcs Base Layer Shirts Pant for Cold Winter Weather XL

Superior Heat Retention: Our thermal underwear set is made of a fleece linded fabrics which blended of 85% Polyester and 15% Spandex. Whether you're braving the cold outdoors or lounging indoors, these sets are the idear gear.
Moisture Wicking Management: Stay dry and sweat-free with our quick dry fabric. It efficiently pulls sweat away from your body, ensuring you stay dry and comfortable during activities or everyday wear.
Snug Fit & Easy Care: These thermal long johns are designed for a snug fit, ensuring no bunching around your waistline or sleeves, minimizing heat loss.Freedom of Movement: Move with ease thanks to the four-way stretch material. Our thermal set provides flexibility without binding, so you can enjoy unrestricted motion and comfort.
Ultra Soft and Comfortable: Experience unmatched softness with our fleece-lined interior. Flatlock seams ensure maximum comfort and prevent chafing, so you can stay cozy all day long.
Versatile Performance: Ideal for layering under clothing during outdoor activities or as comfortable sleepwear. Whether you're hunting, camping, snowboarding, skiing, cycling, or running outdoors or lounging as pajamas indoors, our thermals set have you covered.

SaleBestseller No. 8

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 stability and utility
Comfort-Driven Design: The ultimate long underwear, our men's thermal underwear features ribbed cuffs that help keep the cold out; A front fly enhances functionality
Combats Cold Conditions: Our men’s long johns help you weather cold to very cold conditions during medium-level activities like hiking, camping, and even lounging
Versatile Sizing: Our thermal leggings are available in sizes up to 6X

SaleBestseller No. 9

romision Thermal Underwear for Men, Fleece Lined Long Johns Hunting Gear Base Layer Bottom Top Set for Cold Weather A-Black

Extreme Warmth and Comfort: Made from 90% polyester and 10% spandex super soft fabric, they also help reduce pilling and shrinkage. Adding some extra cozy, warm fleece to the mix, our long johns amazingly help to tackle extreme cold weather conditions
Strong Moisture Wicking: The unique breathable, moisture-wicking fibers on our thermal underwear will wick away moisture to keep you dry with no sticky or clammy feeling so you can wear them all day for your work or snow adventure
4-Way Stretch: The design of the Four-way stretch make the reach and squat more comfortable while retaining excellent elasticity and durability for maximum mobility. Use high-quality stitching to beat super-active days and many muddy adventures
Easy Care Base Layer Set: Tagless design in order to obtain greater comfort. The highest dyeing fastness even after multiple washing will not fade and shrink. Fitted with fashion elastic band for added comfort to keep bottoms from falling down
Best Gift Choice: We stock these crew or turtle neck thermals for men in a wide range of sizes. If your family enjoys hunting;camping;snowboarding;skiing;cycling or running then it will be a great choice. A wonderful Gift for mens Christmas Birthday

Bestseller No. 10

UNIQUEBLLA Long Johns Thermal Underwear Set for Men Thermal Base Layer Cold Weather Bottom Top Grey

HEAT PRESERVATION & SUPER WARM - Designed with high quality fleece lining, the thermal underwear mens is windproof, it can keep you warm while running, cycling, hiking, jogging or walk the dog in the winter morning
BREATHABILITY & QUICK DRY - Breathable and moisture wicking fabric is perfect to keep sweat away and dry fast, the mens thermal underwear perfectly repels odors and unpleasant smells left behind from sweat and dirt; With this thermal underwear men, you can happily enjoy outdoor tactical training or sports
STRETCHABLE & ABRASION RESISTANT - Made of 90% polyester and 10% spandex, this army thermal underwear offers maximum freedom and support of your body, protecting your muscle trauma during training and keeping you stay comfortable. Flatlock stitching creates a flat seam to the garment to ensure maximum comfort and prevents chafing
OUT WEAR SHIRT LEGGINGS - This thermal underwear set definitely can be wore as an outdoor compression sports shirt, the tight shirt leggings set would be a great gift to your boyfriend or families for all seasons
SUNDRY OCCASIONS - This thermal underwear men for cold weather is idea gear for all kinds of activities, such as training, rash guard, running, squat, weight training, cycling, yoga, soccer, skiing, snowboarding, indoor gym exercise, fitness body training

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