10 bestWarmest base layer for cold weatherof January 2025
112M consumers helped this year.
39% off
1
Under Armour Men UA HG Armour Comp LS, Long-Sleeve Sports Top, Breathable Long-Sleeved Top for Men
Under Armour
9.8
2
UNIQUEBELLA Thermal Underwear Men Set Long Sleeve Tops Long Johns Thermal Base Layer Bottom Fleece Lined Quick Drying for Workout Skiing Running Hiking, Black 1, XL
UNIQUEBELLA
9.6
3
Mountain Warehouse Talus Womens Long Sleeves Baselayer Top - Thermal Underwear, Lightweight Ladies Tee Shirt, Breathable, Easy Care - for Black Women's Size 12
Mountain Warehouse
9.3
26% off
4
Under Armour Ultra-Warm Thermal Leggings, Men's Running Tights with 4-Way Stretch and Anti-Odour Technology
Under Armour
9.0
5
Merino.tech Merino Wool Base Layer - Mens 100% Merino Wool Long Sleeve Thermal Shirts Midweight + Wool Hiking Socks (X-Large, Black 250)
Merino.tech
8.7
Other
TCA Mens Pro Performance Compression Shirt Long Sleeve Top Compression Tops for Men Base Layers Men - Sonic Yellow, M
TCA Men's Warm Up Long Sleeve Training Workout Funnel Neck Thermal Running Top with Thumbholes - Black Stealth, XL
TCA Element Mens Workout Gym Clothing Long Sleeve Running Top for Men - Grey/Yellow, XXL
TCA Fusion Gym Tops for Men Training Sports Long Sleeve Running Top Men Gym Clothes - Heather Grey/Dazzling Blue, L
6
Merino.tech Merino Wool Base Layer Womens — 100% Merino Wool Long Sleeve Thermal Shirts Midweight + Wool Socks (Large, Black 250)
Merino.tech
8.4
7
TERODACO Thermal Base Layer Women Warm Wicking Half Zip Ski Thermals with Micro Fleece Long Sleeve Ladies Thermal Tops for Running Hiking Cycling Soft Soft Quick Dry Breathable 02513 Black M
TERODACO
8.1
15% off
8
DANISH ENDURANCE Base Layers Men, Long Sleeve Thermal Tops Men, Merino Wool, Thermals Men, Warm Winter Thermal Underwear, with or Without a Zipper, Black, M
DANISH ENDURANCE
7.8
29% off
9
Helly Hansen Mens Lifa Stripe HH Crew Base Layer Top, L, Black
Helly Hansen
7.5
10
Under Armour Men's Cg Armour Fitted Mock Warm Base Layer Top for Men Compression Shirt Running Skiing Winter Cold Weather Fitness Top, Black White (001), XL UK
Under Armour
7.2
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