10 bestWarmest Base Layer For Cold Weatherof October 2025
112M consumers helped this year.
1
Merino Wool Base Layer - Mens 100% Merino Wool Long Sleeve Thermal Shirts Lightweight, Midweight, Heavyweight + Merino Socks (Large, Black 250)
Merino.tech
9.8
2
Fruit of the Loom Men's Recycled Premium Waffle Thermal Underwear Long Johns Bottom (1, 2, 3, and 4 Packs), Black, Medium
Fruit of the Loom
9.6
3
Runhit Mens Ski Thermal Underwear Set Long Johns Base Layer Fleece Lined Winter Undershirts Underpants for Cold Weather Gray Green-Black 2XLarge
Runhit
9.3
4
romision Thermal Underwear for Men Long Johns Fleece Lined Hunting Gear Bottom Top Set Base Layer for Cold Weather XS-4XL, Black, Large
romision
9.1
12% off
5
Roadbox Men's Thermal Underwear Long Johns Set - Winter Base Layer Warm Top and Bottom with Fleece Lined for Skiing Sports Cold Weather
Roadbox
8.8
Other
Under Armour Men's ColdGear Base 4.0 Leggings
Under Armour Men's Packaged Base 4.0 1/4 Zip T-Shirt
Icebreaker Merino 175 Women's Everyday Cold Weather Base Layer Thermal Long Sleeve Crewneck T-Shirt, Small, Black
MERIWOOL Mens Base Layer 100% Merino Wool Heavyweight 400g Thermal Pants Charcoal Gray
6
Under Armour Men UA CG Armour Fitted Mock, Warm Base Layer Top for Men, Compression Shirt for Running, Skiing, Winter Cold Weather Fitness Top
Under Armour
8.5
7
Woolove Men’s 100% Merino Wool Base Layer Long Underwear Thermal Leggings 260 GSM - Quick-Drying, Heavy-Weight, Cold Weather (Black, Medium)
Woolove
8.2
8
Carhartt Men's Base Force Midweight Classic Crew, Black, Medium
Carhartt
7.9
9
Carhartt Men's Force Midweight Classic Thermal Base Layer Pant, Black, Large
Carhartt
7.6
10
Stanfield's Men's Two Layer Merino Wool Baselayer Long John, Charcoal Mix, Large
Stanfield's
7.3
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