Thermal underwear for men is essential for staying warm and comfortable during the colder months. The best options combine advanced materials with innovative designs to provide optimal insulation without sacrificing breathability. In 2025, the top thermal underwear choices feature moisture-wicking fabrics, ergonomic fits, and added stretch for maximum mobility. Whether you're hitting the slopes or just braving the winter chill, investing in high-quality thermal underwear can make all the difference in your comfort level.
SALE
−$10.00
Thermajohn Long Johns Thermal Underwear for Men Fleece Lined Base Layer Set for Cold Weather (Medium, 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.
$29.99
SALE
−$5.99
JZCreater Thermal Underwear for Men, Mens Long Johns Thermal Underwear Set, Fleece Lined Base Layer for Cold Weather Black
- [Stay Warm in Cold Weather] Our JZCreater Men's Fleece Lined Base Layer Set is designed to keep you warm and comfortable in extreme cold conditions.
- [Soft and Cozy Fleece Lining] The fleece lining provides an extra layer of insulation, trapping heat and keeping you cozy throughout the day.
- [Moisture-Wicking and Breathable] The base layer set is made with moisture-wicking fabric that keeps you dry and comfortable by wicking away sweat and allowing your skin to breathe.
- [Flexible and Stretchy Fit] The set is designed with a stretchy fabric that allows for a comfortable and unrestricted range of motion, making it perfect for outdoor activities.
- [Versatile and Stylish] This base layer set can be worn as an inner layer or as standalone clothing, making it suitable for various occasions such as skiing, hiking, or everyday wear.
$16.99
Fruit of the Loom Men's Recycled Waffle Thermal Underwear Bottom, Natural, 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
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SALE
−$12.00
WEERTI Thermal Underwear for Men Long Johns with Fleece Lined, Base Layer Men Cold Weather Top Bottom Black
- LAYERING IS ESSENTIAL: The perfect cold-weather outfit is all about proper layering, so starting off thermal underwear is a must. Its provide insulation by trapping body heat and wicking away moisture, and disappear under everything from puffer jackets to cashmere sweaters.
- ALL-DAY COMFORTABLE WEARING EXPERIENCE: Long johns for men fit snug like a second skin for minimizing heat loss, lightweight but warm, gives you a sense of security throughout the winter.
- STRONG MOISTURE WICKING: Thermal long underwear mens is made of moisture wicking and breathable fabric, wick away sweat fast to keep you dry and light, easily keep away from the clammy feeling.
- PERFECT DESIGN FOR MAN：Mens long johns perfect for use underneath formal or casual attire, or they can be worn as comfy pajamas on chilly nights. Dress up this set under your clothing to keep warm and cozy in cold climates or bad weather.
- FLEXIBILITY FOR ANY MOVEMENT: Men's thermal underwear 4-way stretch delivers full mobility, its strong seams won’t tear prematurely. You’ll feel a sense of freedom in all your activities, they will keep you warm without sacrificing your range of motion or comfort.
$19.99
SALE
−$29.00
BAMBOO COOL Men's Heavyweight Thermal Underwear Set with Soft Warm Lining Stretch Base Layer Cold Weather S-3XL
- Ultimate Thermal Protection for Winter Weather: Our men's thermal underwear set includes a top and bottom, providing a complete layer of warmth. Lined with soft, moisture-wicking fabric, it ensures you stay dry and comfortable, even in the coldest conditions. Ideal for winter sports and outdoor activities.
- Breathable Comfort: This thermal underwear is designed with warmth materials that offer superior breathability, keeping your skin dry and comfortable. The moisture-wicking properties help regulate your body temperature, making it perfect for skiing, hiking, and other outdoor adventures.
- Soft and Skin-Friendly Fabric: Crafted from ultra-soft fabric, our thermal underwear set feels gentle against your skin. The soft lining and seamless design reduce irritation and provide a snug fit, ensuring maximum comfort throughout the day. Enjoy the freedom of movement without compromising on warmth.
- Advanced Heat Retention: Our thermal pants and top feature advanced heat-retention technology, trapping body heat to keep you warm in freezing temperatures. The set is designed to be worn as a base layer under your regular clothing, making it a versatile addition to your winter wardrobe.
- Easy Care and Satisfaction Guaranteed: This thermal underwear set is machine washable and designed for easy maintenance, ensuring it stays in great condition with minimal effort. Buy with confidence knowing we offer hassle-free returns and responsive customer service for any concerns or questions.
$14.99
SALE
−$5.03
Under Armour Men's HeatGear Armour Leggings , Black (001)/Pitch Gray, Medium
- Under Armour’s mission is to make all athletes better through passion, design and the relentless pursuit of innovation
- Where we started? It all started with an idea to build a superior T-shirt
- The technology behind Under Armour's diverse product assortment for men, women and youth is complex, but the program for reaping the benefits is simple: wear HeatGear when it's hot, ColdGear when it's cold, and AllSeasonGear between the extremes.
$29.97
Amazon Essentials Thermal Long Johns Underwear Set for Men, Large, Navy
- SLIM FIT DESIGN: Our set of thermal underwear for men feature a top that fits through the shoulders, chest, and waist, and bottoms that contour through the hip and thigh with a tapered leg opening
- BREATHABLE WAFFLE KNIT: Enjoy the comfort of our waffle thermal shirts for men, crafted with a cotton-poly blend for softness and breathability
- LIGHTWEIGHT WARMTH: Our men's long johns thermal set, designed to provide warmth throughout the day without the bulk, is the ideal cold weather gear for men
- COMFORTABLE DETAILS: Our men's thermal underwear features a top with a classic crew neckline, while the thermal leggings offer an elastic waist and rib cuffs for a snug fit, ensuring all-day comfort
- QUALITY YOU CAN TRUST: Rely on Amazon Essentials for affordable men's thermal underwear set that withstands everyday wear
$20.90
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.
$18.88
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
$34.99
SALE
−$4.86
Realtree Men's Heavyweight Cotton Polyester Thermal Long Johns Underwear Bottom, Ivory, Large
- Super Soft Thick Thermal Fabric: Indulge in the epitome of comfort and insulation with our state-of-the-art thermal fabric, meticulously engineered for unparalleled warmth.
- Moisture Wicking Technology: Stay dry and at ease throughout the day. Our moisture-wicking technology effortlessly lifts sweat and moisture away from your skin.
- Odor Resistant: Feel fresh and self-assured. Our thermal bottoms feature advanced odor-resistant properties, keeping unwanted odors at bay.
- Heat-Trapping Design: Confront the cold head-on as our innovative design locks in your body's heat, establishing a reliable barrier against icy temperatures. Secure fit that keeps cold air out, thanks to the ribbed cuffs that gently embrace your ankles.
- Tag-Free Label: Say goodbye to irritation and discomfort. Our tag-free label ensures you experience ultimate comfort without any annoying tags.
$14.13
Last update on 2025-05-03 / Affiliate links / Images from Amazon Product Advertising API