Base layer for cold weather is essential for anyone looking to stay warm and comfortable during outdoor activities in frigid temperatures. The right base layer not only wicks moisture away from the skin but also provides insulation to retain body heat. In 2025, the market offers a variety of options that excel in performance, comfort, and durability. From merino wool to synthetic blends, these top-rated base layers cater to different preferences and activities, ensuring you can enjoy winter sports or simply stay cozy during chilly days.
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
Cuddl Duds Thermal Underwear for Women - Women's Cold Weather Clothes Fleece Lined Thermal Long Johns Set - Winter Base Layer Clothing Thermal Shirt Top and Leggings Pants 2Pc Set for Women - Black M
- COLD-WEATHER READY: Stay cozy in the cold with a brushed fleece inside and matte soft outside. Our heavyweight 2-piece thermal set has moisture-wicking fabric that helps absorb and evaporate moisture.
- SPANDEX STRETCH: This womens top and bottom set features a spandex stretch for on-the-go comfort. The densely knit fabric will help shield you from harmful UV rays for an extra layer of protection.
- HEAD-TO-TOE PROTECTION: Our thermal underwear has 50+ protection from harmful UV rays. With a thumbhole sleeve top, modern rise leggings, and tag-free label, look and feel great all day and night.
- COMPLETE COMFORT: Keep warm without the bulk with our stylish thermal underwear sets. The sleek design makes it versatile enough to wear as a base layer or on its own while you’re out on the go or lounging at home.
- Live in Layers: For 50+ years, Cuddl Duds has provided comfy thermal underwear. Our innovative technology helps you stay warm and look good doing it — because layering is a lifestyle.
$29.99
Thermajohn Thermal Shirts for Men Long Sleeve Thermal Compression Shirts for Men Base Layer Cold Weather (Charcoal, Large)
- Heat Retention: When it comes to warmth and everyday wear, these mens thermal long sleeve shirt 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 shirt will keep you feeling comfortable throughout the day.
- Moisture Wicking: Stay dry with these mens long underwear as they're made from breathable fabric that effectively wicks away moisture and perspiration.
- 4 Way Stretch: Made with stretchable material, these thermal tops 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 thermal underwear for men this winter and stay comfortable while outside or in bed as a pajama.
$18.98
Long Johns for Men, Thermal Underwear Set Winter Hunting Gear Sport Base Layer Top and Bottom Midweight Black XL
- 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
$27.99
SALE
−$7.00
Thermajane Long Johns Thermal Underwear for Women Fleece Lined Base Layer Pajama Set Cold Weather (X-Large, Black)
- Heat Retention: Thermajane womens thermal underwear keeps your body heat from escaping. They provide extra warmth and coziness to make a perfect everyday baselayer.
- Ultra Soft: Our thermals for women are lined with fleece for extra softness against your skin. They’ll protect you from the cold for added comfort.
- Moisture Wicking: While at home or at work, our womens long johns will keep you dry and odor free. No matter the activity, you’ll stay confident all day.
- 4 Way Stretch: The soft and stretchable fabric on these womens long underwear fit snugly against your skin and will keep you moving freely no matter what your activity is.
- Layer Up: When it comes to style and comfort, our womens thermals is the ideal base layer to wear throughout your day.
$32.99
SALE
−$7.50
HEROBIKER Women's Thermal Underwear Set, Ultra Soft Thermal Shirt Long Johns with Fleece lined - Winter Base Layer Sets（L, Black
- BEAT FOR WOMEN: The warmest base-layer option that HEROBIKER offers. Womens Thermal underwear set is made of 92% ultra-soft polyester 8% spandex with great breathability. And super skin-touch fabric that feels cozily soft.
- FLEXIBILITY for ANY MOVEMENT: The latest 4-way stretch material provides a breathable and comfortable fit, ultra soft that you can even hardly feel its existence. Base layer fabric is light but thick, which fits the skin perfectly
- KEEP WARM & COMFORTABLE: These thermal underwear are perfect for cold weather, comfy stretch softwear in normal thickness is lightly fleece lined, lightweight but warm. Perfect gift for family or friends
- MOISTUGRE-WICKING FEATURES: Excellent for thermal retention， light weight, and high quality. "Extremely breathable and odor-resistant, while wicking moisture away." Ideal for women. You no longer have to worry about that sticky feeling as work out
- 🍀FOR ANY OCCASION🍀Long johns set are idea for all kinds of indoor/outdoor activities, such as shopping, cycling, skiing, climbing, running, snowboarding, yoga, fitness body training etc
$17.48
SALE
−$30.82
Under Armour Women's ColdGear® Base 3.0 Crew XL Black
- UA Base 3.0 All Season Baselayer provides midweight warmth at many activity levels & cold temperatures|UA Scent Control Technology to keep you undetected in all pursuits|Soft, brushed grid interior traps air, managing your body's microclimate to keep you warm & comfortable|Material wicks sweat & dries really fast|4-way stretch construction moves better in every direction
$39.18
SALE
−$1.11
32 Degrees Heat Womens Ultra Soft Thermal Lightweight Baselayer Crew Neck Long Sleeve Top, White, Large
- FEATURES: Lightweight, Moisture wicking, Ultra-Soft, Anti-Static, Anti Odor, 4 Way Stretch, Tag Free Label.
- FABRIC: 90% Polyester, 10% Spandex. Lightweight knit with a lot of stretch. Lightly brushed on both sides which gives a soft cozy feel that is smooth against the body.
- FITTED: Please refer to photo size chart for chest, waist, hips, and length measurements. Meant to be fitted to accommodate wearing under clothes.
- WASH CARE: Wash Cold Gentle Cycle with Like Colors, Tumble Dry Low, Non-Chlorine Bleach Only, Do Not Dry Clean, Iron Cool (if needed).
$18.88
SALE
−$15.00
Under Armour Men's ColdGear Armour Fitted Mock, Black (001)/White, X-Large
- Dual-layer fabric with an ultra-warm, brushed interior & a smooth, fast-drying exterior
- Stretch-mesh back & underarm panels provide strategic ventilation without sacrificing warmth
- 4-way stretch construction moves better in every direction
- Material wicks sweat & dries really fast
- Ergonomic design keeps seams off of high abrasion areas
$40.00
Carhartt Men's Force Midweight Classic Thermal Base Layer Pant, Black, Medium
- 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
Last update on 2025-05-15 / Affiliate links / Images from Amazon Product Advertising API