Best of SweatersFleece ClothingLoungewearShoesSocksThermal Underwear for the FamilyTotal apparel wear to workWinter Puffer JacketsWomens Petite PlusAll Graphic ClothingBaby ClothesBatman ClothingBig and Tall Workout ClothingBig & Tall Pajamas and RobesBig and TallBig and Tall Coats and JacketsBig and Tall Hoodies and SweatshirtsBig and Tall PantsBig and Tall ShirtsBig and Tall SuitsBig and Tall SweatersBig and Tall Work ClothingBoys Back to School FashionBoys ClothingChrissy's Most LovedChristmas PajamasCoats and JacketsGirls Back to School FashionGirls ClothingGraphic TeesHoliday ClothingJuniors ActivewearJuniors Graphic ClothingJuniors Pants & LeggingsJuniors Tops & T-ShirtsKid's & Baby Cold Weather ClothingKids ActivewearKids ClothingKids Fleece ClothingKids New ArrivalsKids PajamasKids Shirts & TopsKids' Winter ClothingMaternity Pajamas & LoungewearMaternity Pants & LeggingsMaternity Plus ActivewearMaternity Plus LeggingsMen's Winter ClothesMens Best Clothing BrandsMens Business CasualMens Coats and JacketsMens MultipacksMens Pajamas and RobesMens PantsMens ShirtsMens SocksMens SuitsMens SweatersMens SwimwearMens UnderwearMens Workout ClothingMens WorkwearPlaid PajamasPlus Size ActivewearPlus Size PantsPlus Size SweatersPlus Size TopsPre-Owned Women's ClothingPremium Mens ClothingRunning Apparel and ShoesToddler ClothingVirtual try-on shop allWomens ActivewearWomens Bras, Panties & LingerieWomens CoatsWomens Graphic TeesWomens Jumpsuits & RompersWomens Pajamas & LoungewearWomens PantsWomens PlusWomens Plus Size Pajamas & LoungewearWomens Plus ThermalsWomens Plus Workwear & SuitsWomens Socks, Hosiery & TightsWomens SweatersWomens Sweatshirts & HoodiesWomens Thermal UnderwearWomens TopsYoung Adult Clothing
Sort by|
Best of SweatersFleece ClothingLoungewearShoesSocksThermal Underwear for the FamilyTotal apparel wear to workWinter Puffer JacketsWomens Petite PlusAll Graphic ClothingBaby ClothesBatman ClothingBig and Tall Workout ClothingBig & Tall Pajamas and RobesBig and TallBig and Tall Coats and JacketsBig and Tall Hoodies and SweatshirtsBig and Tall PantsBig and Tall ShirtsBig and Tall SuitsBig and Tall SweatersBig and Tall Work ClothingBoys Back to School FashionBoys ClothingChrissy's Most LovedChristmas PajamasCoats and JacketsGirls Back to School FashionGirls ClothingGraphic TeesHoliday ClothingJuniors ActivewearJuniors Graphic ClothingJuniors Pants & LeggingsJuniors Tops & T-ShirtsKid's & Baby Cold Weather ClothingKids ActivewearKids ClothingKids Fleece ClothingKids New ArrivalsKids PajamasKids Shirts & TopsKids' Winter ClothingMaternity Pajamas & LoungewearMaternity Pants & LeggingsMaternity Plus ActivewearMaternity Plus LeggingsMen's Winter ClothesMens Best Clothing BrandsMens Business CasualMens Coats and JacketsMens MultipacksMens Pajamas and RobesMens PantsMens ShirtsMens SocksMens SuitsMens SweatersMens SwimwearMens UnderwearMens Workout ClothingMens WorkwearPlaid PajamasPlus Size ActivewearPlus Size PantsPlus Size SweatersPlus Size TopsPre-Owned Women's ClothingPremium Mens ClothingRunning Apparel and ShoesToddler ClothingVirtual try-on shop allWomens ActivewearWomens Bras, Panties & LingerieWomens CoatsWomens Graphic TeesWomens Jumpsuits & RompersWomens Pajamas & LoungewearWomens PantsWomens PlusWomens Plus Size Pajamas & LoungewearWomens Plus ThermalsWomens Plus Workwear & SuitsWomens Socks, Hosiery & TightsWomens SweatersWomens Sweatshirts & HoodiesWomens Thermal UnderwearWomens TopsYoung Adult Clothing

Heavyweight Baselayer

Uses item details. Price when purchased online

Merino.tech Women’s Base Layer Set - Midweight 250 g/m² 100% Merino Wool Thermal Top & Bottom with Bonus Socks Included From $76.49

Merino.tech Women’s Base Layer Set - Midweight 250 g/m² 100% Merino Wool Thermal Top & Bottom with Bonus Socks Included
Sponsored
From$7649
Merino Tech
Merino.tech Women’s Base Layer Set - Midweight 250 g/m² 100% Merino Wool Thermal Top & Bottom with Bonus Socks Included
4 out of 5 Stars. 1 reviews

Merino.tech Men’s Merino Wool Base Layer - Lightweight 165 g/m² Long Sleeve Thermal Shirt with Bonus Socks Included From $39.99

Merino.tech Men’s Merino Wool Base Layer - Lightweight 165 g/m² Long Sleeve Thermal Shirt with Bonus Socks Included
Sponsored
From$3999
Merino Tech
Merino.tech Men’s Merino Wool Base Layer - Lightweight 165 g/m² Long Sleeve Thermal Shirt with Bonus Socks Included
4.9 out of 5 Stars. 9 reviews

Merino.tech Womens 100% Merino Wool Base Layer Leggings Lightweight 165 g/m² Thermal Underwear + Hiking Bonus Socks From $44.98

Merino.tech Womens 100% Merino Wool Base Layer Leggings Lightweight 165 g/m² Thermal Underwear + Hiking Bonus Socks
Sponsored
From$4498
Merino Tech
Merino.tech Womens 100% Merino Wool Base Layer Leggings Lightweight 165 g/m² Thermal Underwear + Hiking Bonus Socks
4.4 out of 5 Stars. 5 reviews

Merino.tech Men’s Base Layer Set - Midweight 250 g/m² 100% Merino Wool Thermal Top & Bottom with Bonus Hiking Socks & Beanie Included From $71.99

Merino.tech Men’s Base Layer Set - Midweight 250 g/m² 100% Merino Wool Thermal Top & Bottom with Bonus Hiking Socks & Beanie Included
Sponsored
From$7199
Merino Tech
Merino.tech Men’s Base Layer Set - Midweight 250 g/m² 100% Merino Wool Thermal Top & Bottom with Bonus Hiking Socks & Beanie Included
4.3 out of 5 Stars. 3 reviews

Men's Heavyweight Fleece Base Layer Thermal Shirt, Black, M

Men's Heavyweight Fleece Base Layer Thermal Shirt, Black, M
Available in additional 2 options
Realtree
Men's Heavyweight Fleece Base Layer Thermal Shirt, Black, M
4.7 out of 5 Stars. 107 reviews

Clearance Merino Wool Base Layer Mens Bottom Pants 100% Merino Wool Heavyweight thermal Underwear Long Johns Black From $7.59

Merino Wool Base Layer Mens Bottom Pants 100% Merino Wool Heavyweight thermal Underwear Long Johns Black
Beige, variant on Merino Wool Base Layer Mens Bottom Pants 100% Merino Wool Heavyweight thermal Underwear Long Johns Black
Black, variant on Merino Wool Base Layer Mens Bottom Pants 100% Merino Wool Heavyweight thermal Underwear Long Johns Black
Brown, variant on Merino Wool Base Layer Mens Bottom Pants 100% Merino Wool Heavyweight thermal Underwear Long Johns Black
Gray, variant on Merino Wool Base Layer Mens Bottom Pants 100% Merino Wool Heavyweight thermal Underwear Long Johns Black
From$759
RYDCOT
Merino Wool Base Layer Mens Bottom Pants 100% Merino Wool Heavyweight thermal Underwear Long Johns Black

2025 Wool Leggings Womens Thermal Base Layer Pants High Waisted Long Underwear Heavyweight Soft Yoga Leggings From $10.20

2025 Wool Leggings Womens Thermal Base Layer Pants High Waisted Long Underwear Heavyweight Soft Yoga Leggings
Beige, variant on 2025 Wool Leggings Womens Thermal Base Layer Pants High Waisted Long Underwear Heavyweight Soft Yoga Leggings
Black, variant on 2025 Wool Leggings Womens Thermal Base Layer Pants High Waisted Long Underwear Heavyweight Soft Yoga Leggings
Coffee, variant on 2025 Wool Leggings Womens Thermal Base Layer Pants High Waisted Long Underwear Heavyweight Soft Yoga Leggings
Dark Gray, variant on 2025 Wool Leggings Womens Thermal Base Layer Pants High Waisted Long Underwear Heavyweight Soft Yoga Leggings
From$1020
Sdeycui
2025 Wool Leggings Womens Thermal Base Layer Pants High Waisted Long Underwear Heavyweight Soft Yoga Leggings
5 out of 5 Stars. 1 reviews

Men's & Big Men's Heavyweight Fleece Baselayer Thermal Pant, Sizes M-5XL From $18.00

Men's & Big Men's Heavyweight Fleece Baselayer Thermal Pant, Sizes M-5XL
Dark Navy, variant on Men's & Big Men's Heavyweight Fleece Baselayer Thermal Pant, Sizes M-5XL
Ebony, variant on Men's & Big Men's Heavyweight Fleece Baselayer Thermal Pant, Sizes M-5XL
Rich Black, variant on Men's & Big Men's Heavyweight Fleece Baselayer Thermal Pant, Sizes M-5XL
From$1800
Russell
Men's & Big Men's Heavyweight Fleece Baselayer Thermal Pant, Sizes M-5XL
4 out of 5 Stars. 61 reviews

Clearance Merino Wool Base Layer Mens Set - Midweight, Heavyweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom From $18.99

Merino Wool Base Layer Mens Set - Midweight, Heavyweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom
ABlack, variant on Merino Wool Base Layer Mens Set - Midweight, Heavyweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom
ADark Gray, variant on Merino Wool Base Layer Mens Set - Midweight, Heavyweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom
AGrey, variant on Merino Wool Base Layer Mens Set - Midweight, Heavyweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom
BNavy, variant on Merino Wool Base Layer Mens Set - Midweight, Heavyweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom
From$1899
MLCDHKHUY
Merino Wool Base Layer Mens Set - Midweight, Heavyweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom
2.8 out of 5 Stars. 19 reviews

Clearance Merino Wool Base Layer Mens Set - Midweight, Heavyweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom Dark Gray L From $10.79

Merino Wool Base Layer Mens Set - Midweight, Heavyweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom Dark Gray L
Beige, variant on Merino Wool Base Layer Mens Set - Midweight, Heavyweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom Dark Gray L
Black, variant on Merino Wool Base Layer Mens Set - Midweight, Heavyweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom Dark Gray L
Dark Gray, variant on Merino Wool Base Layer Mens Set - Midweight, Heavyweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom Dark Gray L
Navy, variant on Merino Wool Base Layer Mens Set - Midweight, Heavyweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom Dark Gray L
From$1079
Tao Tao
Merino Wool Base Layer Mens Set - Midweight, Heavyweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom Dark Gray L

Merino.tech 100% Merino Wool Base Layer Mens Bottom Pants Lightweight - Thermal Long Johns, Moisture Wicking Underwear, Bonus Hicking Socks Included From $44.99

Merino.tech 100% Merino Wool Base Layer Mens Bottom Pants Lightweight - Thermal Long Johns, Moisture Wicking Underwear, Bonus Hicking Socks Included
Sponsored
From$4499
Merino Tech
Merino.tech 100% Merino Wool Base Layer Mens Bottom Pants Lightweight - Thermal Long Johns, Moisture Wicking Underwear, Bonus Hicking Socks Included
5 out of 5 Stars. 2 reviews

Merino.tech Women’s 100% Merino Wool Base Layer Top - Lightweight 165 g/m² Long Sleeve Thermal Shirt with Bonus Hiking Socks Included From $44.98

Merino.tech Women’s 100% Merino Wool Base Layer Top - Lightweight 165 g/m² Long Sleeve Thermal Shirt with Bonus Hiking Socks Included
Sponsored
From$4498
Merino Tech
Merino.tech Women’s 100% Merino Wool Base Layer Top - Lightweight 165 g/m² Long Sleeve Thermal Shirt with Bonus Hiking Socks Included
1 out of 5 Stars. 1 reviews

Best seller Men's Underwear Base Layer Pant From $3.99

Men's Underwear Base Layer Pant
Available in additional 5 options
From$399
Reebok
Men's Underwear Base Layer Pant
4.5 out of 5 Stars. 945 reviews

Men Heavyweight Rayon Spandex thermal Underwear Base Layer Long Johns Blended Fleece Lined Set for Cold Weather Black From $7.19

Men Heavyweight Rayon Spandex thermal Underwear Base Layer Long Johns Blended Fleece Lined Set for Cold Weather Black
Army Green, variant on Men Heavyweight Rayon Spandex thermal Underwear Base Layer Long Johns Blended Fleece Lined Set for Cold Weather Black
Black, variant on Men Heavyweight Rayon Spandex thermal Underwear Base Layer Long Johns Blended Fleece Lined Set for Cold Weather Black
Coffee, variant on Men Heavyweight Rayon Spandex thermal Underwear Base Layer Long Johns Blended Fleece Lined Set for Cold Weather Black
Dark Gray, variant on Men Heavyweight Rayon Spandex thermal Underwear Base Layer Long Johns Blended Fleece Lined Set for Cold Weather Black
From$719
RYDCOT
Men Heavyweight Rayon Spandex thermal Underwear Base Layer Long Johns Blended Fleece Lined Set for Cold Weather Black

Merino.tech Women’s Base Layer Set - Heavyweight 320 g/m² 100% Merino Wool Thermal Top & Bottom with Bonus Socks Included From $76.49

Merino.tech Women’s Base Layer Set - Heavyweight 320 g/m² 100% Merino Wool Thermal Top & Bottom with Bonus Socks Included
Black, variant on Merino.tech Women’s Base Layer Set - Heavyweight 320 g/m² 100% Merino Wool Thermal Top & Bottom with Bonus Socks Included
Charcoal, variant on Merino.tech Women’s Base Layer Set - Heavyweight 320 g/m² 100% Merino Wool Thermal Top & Bottom with Bonus Socks Included
Charcoal Grey, variant on Merino.tech Women’s Base Layer Set - Heavyweight 320 g/m² 100% Merino Wool Thermal Top & Bottom with Bonus Socks Included
Natural Merinos, variant on Merino.tech Women’s Base Layer Set - Heavyweight 320 g/m² 100% Merino Wool Thermal Top & Bottom with Bonus Socks Included
From$7649
Merino Tech
Merino.tech Women’s Base Layer Set - Heavyweight 320 g/m² 100% Merino Wool Thermal Top & Bottom with Bonus Socks Included
4 out of 5 Stars. 1 reviews

Men's Heavyweight Fleece Base Layer Thermal Shirt, Mossy Oak Terra Gila, XL

Men's Heavyweight Fleece Base Layer Thermal Shirt, Mossy Oak Terra Gila, XL
Mossy Oak
Men's Heavyweight Fleece Base Layer Thermal Shirt, Mossy Oak Terra Gila, XL
4.3 out of 5 Stars. 19 reviews

Men's Heavyweight Fleece Base Layer Thermal Shirt, Realtree APX, XL

Men's Heavyweight Fleece Base Layer Thermal Shirt, Realtree APX, XL
Realtree
Men's Heavyweight Fleece Base Layer Thermal Shirt, Realtree APX, XL
4.5 out of 5 Stars. 15 reviews

Clearance Mens Heavyweight thermal Underwear Set Thick Fleece Lined Long Johns Extreme Cold Winter Base Layer Top and Bottom Black From $25.99

Mens Heavyweight thermal Underwear Set Thick Fleece Lined Long Johns Extreme Cold Winter Base Layer Top and Bottom Black
Black, variant on Mens Heavyweight thermal Underwear Set Thick Fleece Lined Long Johns Extreme Cold Winter Base Layer Top and Bottom Black
Gray, variant on Mens Heavyweight thermal Underwear Set Thick Fleece Lined Long Johns Extreme Cold Winter Base Layer Top and Bottom Black
From$2599
Miluxas
Mens Heavyweight thermal Underwear Set Thick Fleece Lined Long Johns Extreme Cold Winter Base Layer Top and Bottom Black
5 out of 5 Stars. 1 reviews

Mens Heavyweight thermal Underwear Set Thick Fleece Lined Long Johns Extreme Cold Winter Base Layer Top and Bottom Gray From $13.69

Mens Heavyweight thermal Underwear Set Thick Fleece Lined Long Johns Extreme Cold Winter Base Layer Top and Bottom Gray
Black, variant on Mens Heavyweight thermal Underwear Set Thick Fleece Lined Long Johns Extreme Cold Winter Base Layer Top and Bottom Gray
Dark Gray, variant on Mens Heavyweight thermal Underwear Set Thick Fleece Lined Long Johns Extreme Cold Winter Base Layer Top and Bottom Gray
Gray, variant on Mens Heavyweight thermal Underwear Set Thick Fleece Lined Long Johns Extreme Cold Winter Base Layer Top and Bottom Gray
Navy, variant on Mens Heavyweight thermal Underwear Set Thick Fleece Lined Long Johns Extreme Cold Winter Base Layer Top and Bottom Gray
From$1369
RYDCOT
Mens Heavyweight thermal Underwear Set Thick Fleece Lined Long Johns Extreme Cold Winter Base Layer Top and Bottom Gray

Merino.tech Women’s 100% Merino Wool Base Layer Leggings - Heavyweight 320 g/m² Thermal Bottoms, Bonus Hiking Socks Included From $44.98

Merino.tech Women’s 100% Merino Wool Base Layer Leggings - Heavyweight 320 g/m² Thermal Bottoms, Bonus Hiking Socks Included
Black, variant on Merino.tech Women’s 100% Merino Wool Base Layer Leggings - Heavyweight 320 g/m² Thermal Bottoms, Bonus Hiking Socks Included
Burgundy, variant on Merino.tech Women’s 100% Merino Wool Base Layer Leggings - Heavyweight 320 g/m² Thermal Bottoms, Bonus Hiking Socks Included
Charcoal Grey, variant on Merino.tech Women’s 100% Merino Wool Base Layer Leggings - Heavyweight 320 g/m² Thermal Bottoms, Bonus Hiking Socks Included
Deep Blue, variant on Merino.tech Women’s 100% Merino Wool Base Layer Leggings - Heavyweight 320 g/m² Thermal Bottoms, Bonus Hiking Socks Included
From$4498
Merino Tech
Merino.tech Women’s 100% Merino Wool Base Layer Leggings - Heavyweight 320 g/m² Thermal Bottoms, Bonus Hiking Socks Included
4.4 out of 5 Stars. 5 reviews

Men's Eddie Bauer Heavyweight Base Layer Top $24.99

Men's Eddie Bauer Heavyweight Base Layer Top
current price $24.99
Eddie Bauer
Men's Eddie Bauer Heavyweight Base Layer Top
4.6 out of 5 Stars. 95 reviews

Mens Thermal Underwear Bottom Pants Heavyweight Cotton Long John Fleece Lined Pants From $8.99

Mens Thermal Underwear Bottom Pants Heavyweight Cotton Long John Fleece Lined Pants
Black, variant on Mens Thermal Underwear Bottom Pants Heavyweight Cotton Long John Fleece Lined Pants
Gray, variant on Mens Thermal Underwear Bottom Pants Heavyweight Cotton Long John Fleece Lined Pants
Khaki, variant on Mens Thermal Underwear Bottom Pants Heavyweight Cotton Long John Fleece Lined Pants
Light Blue, variant on Mens Thermal Underwear Bottom Pants Heavyweight Cotton Long John Fleece Lined Pants
From$899
lmcalzta
Mens Thermal Underwear Bottom Pants Heavyweight Cotton Long John Fleece Lined Pants
5 out of 5 Stars. 1 reviews

Merino.tech Women’s Merino Wool Base Layer Top - Heavyweight 320 g/m² Long Sleeve Thermal Shirt with Bonus Hiking Socks From $44.98

Merino.tech Women’s Merino Wool Base Layer Top - Heavyweight 320 g/m² Long Sleeve Thermal Shirt with Bonus Hiking Socks
165 Black, variant on Merino.tech Women’s Merino Wool Base Layer Top - Heavyweight 320 g/m² Long Sleeve Thermal Shirt with Bonus Hiking Socks
165 Charcoal, variant on Merino.tech Women’s Merino Wool Base Layer Top - Heavyweight 320 g/m² Long Sleeve Thermal Shirt with Bonus Hiking Socks
165 Denim Blue, variant on Merino.tech Women’s Merino Wool Base Layer Top - Heavyweight 320 g/m² Long Sleeve Thermal Shirt with Bonus Hiking Socks
165 Navy, variant on Merino.tech Women’s Merino Wool Base Layer Top - Heavyweight 320 g/m² Long Sleeve Thermal Shirt with Bonus Hiking Socks
From$4498
Merino Tech
Merino.tech Women’s Merino Wool Base Layer Top - Heavyweight 320 g/m² Long Sleeve Thermal Shirt with Bonus Hiking Socks
1 out of 5 Stars. 1 reviews

Men's & Big Men's Heavyweight Fleece Baselayer Mock Neck Long Sleeve Top, Sizes M-5XL

Men's & Big Men's Heavyweight Fleece Baselayer Mock Neck Long Sleeve Top, Sizes M-5XL
Dark Navy, variant on Men's & Big Men's Heavyweight Fleece Baselayer Mock Neck Long Sleeve Top, Sizes M-5XL
Ebony, variant on Men's & Big Men's Heavyweight Fleece Baselayer Mock Neck Long Sleeve Top, Sizes M-5XL
Russell
Men's & Big Men's Heavyweight Fleece Baselayer Mock Neck Long Sleeve Top, Sizes M-5XL
4.4 out of 5 Stars. 52 reviews

Clearance Men's Heavyweight Cotton Waffle Long Johns thermal Underwear Bottom Gray From $9.69

Men's Heavyweight Cotton Waffle Long Johns thermal Underwear Bottom Gray
Black, variant on Men's Heavyweight Cotton Waffle Long Johns thermal Underwear Bottom Gray
Gray, variant on Men's Heavyweight Cotton Waffle Long Johns thermal Underwear Bottom Gray
White, variant on Men's Heavyweight Cotton Waffle Long Johns thermal Underwear Bottom Gray
From$969
Miluxas
Men's Heavyweight Cotton Waffle Long Johns thermal Underwear Bottom Gray
5 out of 5 Stars. 1 reviews

Merino.tech Women’s 100% Merino Wool Base Layer Half Zip Top - Heavyweight 320 g/m² Thermal Long Sleeve with Bonus Hiking Socks (Medium, 320 Charcoal Grey) From $52.19

Merino.tech Women’s 100% Merino Wool Base Layer Half Zip Top - Heavyweight 320 g/m² Thermal Long Sleeve with Bonus Hiking Socks (Medium, 320 Charcoal Grey)
165 Black, variant on Merino.tech Women’s 100% Merino Wool Base Layer Half Zip Top - Heavyweight 320 g/m² Thermal Long Sleeve with Bonus Hiking Socks (Medium, 320 Charcoal Grey)
165 Charcoal Grey, variant on Merino.tech Women’s 100% Merino Wool Base Layer Half Zip Top - Heavyweight 320 g/m² Thermal Long Sleeve with Bonus Hiking Socks (Medium, 320 Charcoal Grey)
250 Black, variant on Merino.tech Women’s 100% Merino Wool Base Layer Half Zip Top - Heavyweight 320 g/m² Thermal Long Sleeve with Bonus Hiking Socks (Medium, 320 Charcoal Grey)
250 Charcoal Grey, variant on Merino.tech Women’s 100% Merino Wool Base Layer Half Zip Top - Heavyweight 320 g/m² Thermal Long Sleeve with Bonus Hiking Socks (Medium, 320 Charcoal Grey)
From$5219
Merino Tech
Merino.tech Women’s 100% Merino Wool Base Layer Half Zip Top - Heavyweight 320 g/m² Thermal Long Sleeve with Bonus Hiking Socks (Medium, 320 Charcoal Grey)

Men's Heavyweight Cotton Long Sleeve Thermal Top, Charcoal Gray L, 1 Count, 1 Pack From $14.84

Men's Heavyweight Cotton Long Sleeve Thermal Top, Charcoal Gray L, 1 Count, 1 Pack
BLACK, variant on Men's Heavyweight Cotton Long Sleeve Thermal Top, Charcoal Gray L, 1 Count, 1 Pack
BURGUNDY, variant on Men's Heavyweight Cotton Long Sleeve Thermal Top, Charcoal Gray L, 1 Count, 1 Pack
CHARCOAL GRAY, variant on Men's Heavyweight Cotton Long Sleeve Thermal Top, Charcoal Gray L, 1 Count, 1 Pack
DENIM, variant on Men's Heavyweight Cotton Long Sleeve Thermal Top, Charcoal Gray L, 1 Count, 1 Pack
From$1484
COUVER
Men's Heavyweight Cotton Long Sleeve Thermal Top, Charcoal Gray L, 1 Count, 1 Pack
4.7 out of 5 Stars. 61 reviews

Heavyweight Men's Wool Bottom Base Layer - 100% Merino Wool From $149.99

Heavyweight Men's Wool Bottom Base Layer - 100% Merino Wool
Black, variant on Heavyweight Men's Wool Bottom Base Layer - 100% Merino Wool
Navy, variant on Heavyweight Men's Wool Bottom Base Layer - 100% Merino Wool
Olive Drab Green, variant on Heavyweight Men's Wool Bottom Base Layer - 100% Merino Wool
From$14999
Unbranded
Heavyweight Men's Wool Bottom Base Layer - 100% Merino Wool

(3 pack) Realtree Men's Heavyweight Fleece Base Layer Thermal Shirt, Realtree APX, XL

(3 pack) Realtree Men's Heavyweight Fleece Base Layer Thermal Shirt, Realtree APX, XL
Realtree
(3 pack) Realtree Men's Heavyweight Fleece Base Layer Thermal Shirt, Realtree APX, XL

Wool Base Layer Women Pants Merino Wool Leggings Heavyweight, Midweight, Lite Thermal Underwear Bottom and Socks Black M From $21.99

Wool Base Layer Women Pants Merino Wool Leggings Heavyweight, Midweight, Lite Thermal Underwear Bottom and Socks Black M
03# Black, variant on Wool Base Layer Women Pants Merino Wool Leggings Heavyweight, Midweight, Lite Thermal Underwear Bottom and Socks Black M
03# Dark Gray, variant on Wool Base Layer Women Pants Merino Wool Leggings Heavyweight, Midweight, Lite Thermal Underwear Bottom and Socks Black M
03# Light Gray, variant on Wool Base Layer Women Pants Merino Wool Leggings Heavyweight, Midweight, Lite Thermal Underwear Bottom and Socks Black M
From$2199
Thredzr
Wool Base Layer Women Pants Merino Wool Leggings Heavyweight, Midweight, Lite Thermal Underwear Bottom and Socks Black M
5 out of 5 Stars. 2 reviews

Clearance Merino Wool Base Layer Mens Set - Midweight, Heavyweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom Navy L From $10.59

Merino Wool Base Layer Mens Set - Midweight, Heavyweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom Navy L
Beige, variant on Merino Wool Base Layer Mens Set - Midweight, Heavyweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom Navy L
Black, variant on Merino Wool Base Layer Mens Set - Midweight, Heavyweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom Navy L
Gray, variant on Merino Wool Base Layer Mens Set - Midweight, Heavyweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom Navy L
Navy, variant on Merino Wool Base Layer Mens Set - Midweight, Heavyweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom Navy L
From$1059
Tao Tao
Merino Wool Base Layer Mens Set - Midweight, Heavyweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom Navy L
1 out of 5 Stars. 2 reviews

Men's Cotton Base Layer Thermal Shirt, Black, L From $11.27

Men's Cotton Base Layer Thermal Shirt, Black, L
Available in additional 3 options
From$1127
Realtree
Men's Cotton Base Layer Thermal Shirt, Black, L
4.6 out of 5 Stars. 66 reviews

Men's Eddie Bauer Heavyweight Base Layer Top, Size: Medium, Camo Grey $24.99

Men's Eddie Bauer Heavyweight Base Layer Top, Size: Medium, Camo Grey
current price $24.99
Eddie Bauer
Men's Eddie Bauer Heavyweight Base Layer Top, Size: Medium, Camo Grey

Men's Eddie Bauer Heavyweight Base Layer Pants, Size: Small, Black $24.99

Men's Eddie Bauer Heavyweight Base Layer Pants, Size: Small, Black
current price $24.99
Eddie Bauer
Men's Eddie Bauer Heavyweight Base Layer Pants, Size: Small, Black

Men's Heavyweight Fleece Lined Thermal Base Layer, Royal Blue

Men's Heavyweight Fleece Lined Thermal Base Layer, Royal Blue
GRAY, variant on Men's Heavyweight Fleece Lined Thermal Base Layer, Royal Blue
ROYAL BLUE, variant on Men's Heavyweight Fleece Lined Thermal Base Layer, Royal Blue
AOELEMENT IN
Men's Heavyweight Fleece Lined Thermal Base Layer, Royal Blue

Men Cotton Thermal Underwear Set Fleece Lined Heavyweight Outdoor Base Layer Cold Weather Sets From $8.99

Men Cotton Thermal Underwear Set Fleece Lined Heavyweight Outdoor Base Layer Cold Weather Sets
Black, variant on Men Cotton Thermal Underwear Set Fleece Lined Heavyweight Outdoor Base Layer Cold Weather Sets
Dark Gray, variant on Men Cotton Thermal Underwear Set Fleece Lined Heavyweight Outdoor Base Layer Cold Weather Sets
Gray, variant on Men Cotton Thermal Underwear Set Fleece Lined Heavyweight Outdoor Base Layer Cold Weather Sets
Navy, variant on Men Cotton Thermal Underwear Set Fleece Lined Heavyweight Outdoor Base Layer Cold Weather Sets
From$899
yillto
Men Cotton Thermal Underwear Set Fleece Lined Heavyweight Outdoor Base Layer Cold Weather Sets

Men's Thermal Heavy Weight Rib Knit Wool Long Johns Underwear Baselayer

Men's Thermal Heavy Weight Rib Knit Wool Long Johns Underwear Baselayer
Stanfield's
Men's Thermal Heavy Weight Rib Knit Wool Long Johns Underwear Baselayer
5 out of 5 Stars. 2 reviews

Heavyweight Mid-Layer Top - Maximum Warmth & Flexibility for Extreme Cold From $57.90

Heavyweight Mid-Layer Top - Maximum Warmth & Flexibility for Extreme Cold
Available in additional 7 options
From$5790
RefrigiWear
Heavyweight Mid-Layer Top - Maximum Warmth & Flexibility for Extreme Cold
4.6 out of 5 Stars. 39 reviews

ClimateRight by Cuddl Duds Women's Plush Warmth Base Layer Leggings, Sizes XS to 4X From $11.99

ClimateRight by Cuddl Duds Women's Plush Warmth Base Layer Leggings, Sizes XS to 4X
Berry Space-Dye, variant on ClimateRight by Cuddl Duds Women's Plush Warmth Base Layer Leggings, Sizes XS to 4X
Black, variant on ClimateRight by Cuddl Duds Women's Plush Warmth Base Layer Leggings, Sizes XS to 4X
Black/Grey Space Dye, variant on ClimateRight by Cuddl Duds Women's Plush Warmth Base Layer Leggings, Sizes XS to 4X
Deep Navy, variant on ClimateRight by Cuddl Duds Women's Plush Warmth Base Layer Leggings, Sizes XS to 4X
From$1199
Cuddl Duds
ClimateRight by Cuddl Duds Women's Plush Warmth Base Layer Leggings, Sizes XS to 4X
4.4 out of 5 Stars. 868 reviews

Women's Thermal Long Johns Set Thermal Underwear Set Winter Plush Lining Heavyweight Sleepwear Loungewear Comfort Outfit Black From $8.59

Women's Thermal Long Johns Set Thermal Underwear Set Winter Plush Lining Heavyweight Sleepwear Loungewear Comfort Outfit Black
Beige, variant on Women's Thermal Long Johns Set Thermal Underwear Set Winter Plush Lining Heavyweight Sleepwear Loungewear Comfort Outfit Black
Black, variant on Women's Thermal Long Johns Set Thermal Underwear Set Winter Plush Lining Heavyweight Sleepwear Loungewear Comfort Outfit Black
Pink, variant on Women's Thermal Long Johns Set Thermal Underwear Set Winter Plush Lining Heavyweight Sleepwear Loungewear Comfort Outfit Black
Purple, variant on Women's Thermal Long Johns Set Thermal Underwear Set Winter Plush Lining Heavyweight Sleepwear Loungewear Comfort Outfit Black
From$859
ROHUUQUE
Women's Thermal Long Johns Set Thermal Underwear Set Winter Plush Lining Heavyweight Sleepwear Loungewear Comfort Outfit Black
4 out of 5 Stars. 2 reviews

Men’s Thermal Underwear Set Insulated Top & Bottom Base Layer For Cold Weather, Black Small

Men’s Thermal Underwear Set Insulated Top & Bottom Base Layer For Cold Weather, Black Small
Black, variant on Men’s Thermal Underwear Set Insulated Top & Bottom Base Layer For Cold Weather, Black Small
Heather Grey, variant on Men’s Thermal Underwear Set Insulated Top & Bottom Base Layer For Cold Weather, Black Small
Melange Charcoal Grey, variant on Men’s Thermal Underwear Set Insulated Top & Bottom Base Layer For Cold Weather, Black Small
Navy, variant on Men’s Thermal Underwear Set Insulated Top & Bottom Base Layer For Cold Weather, Black Small
Rocky
Men’s Thermal Underwear Set Insulated Top & Bottom Base Layer For Cold Weather, Black Small
4.4 out of 5 Stars. 67 reviews

Long Johns for Men Thermal Underwear Sets 2 Piece Cold Weather Base Layer Set Heavyweight Lined Winter Clothes, Black, Size XL Was $12.47

Long Johns for Men Thermal Underwear Sets 2 Piece Cold Weather Base Layer Set Heavyweight Lined Winter Clothes, Black, Size XL
Black, variant on Long Johns for Men Thermal Underwear Sets 2 Piece Cold Weather Base Layer Set Heavyweight Lined Winter Clothes, Black, Size XL
Dark Gray, variant on Long Johns for Men Thermal Underwear Sets 2 Piece Cold Weather Base Layer Set Heavyweight Lined Winter Clothes, Black, Size XL
Grey, variant on Long Johns for Men Thermal Underwear Sets 2 Piece Cold Weather Base Layer Set Heavyweight Lined Winter Clothes, Black, Size XL
Navy, variant on Long Johns for Men Thermal Underwear Sets 2 Piece Cold Weather Base Layer Set Heavyweight Lined Winter Clothes, Black, Size XL
KKBOTIVE
Long Johns for Men Thermal Underwear Sets 2 Piece Cold Weather Base Layer Set Heavyweight Lined Winter Clothes, Black, Size XL
4 out of 5 Stars. 10 reviews

ClimateRight by Cuddl Duds Women's Plush Warmth Crew Neck Base Layer Top, Sizes XS to 4X From $12.90

ClimateRight by Cuddl Duds Women's Plush Warmth Crew Neck Base Layer Top, Sizes XS to 4X
Berry Space-Dye, variant on ClimateRight by Cuddl Duds Women's Plush Warmth Crew Neck Base Layer Top, Sizes XS to 4X
Black, variant on ClimateRight by Cuddl Duds Women's Plush Warmth Crew Neck Base Layer Top, Sizes XS to 4X
Black/Grey Space Dye, variant on ClimateRight by Cuddl Duds Women's Plush Warmth Crew Neck Base Layer Top, Sizes XS to 4X
Deep Navy, variant on ClimateRight by Cuddl Duds Women's Plush Warmth Crew Neck Base Layer Top, Sizes XS to 4X
From$1290
Cuddl Duds
ClimateRight by Cuddl Duds Women's Plush Warmth Crew Neck Base Layer Top, Sizes XS to 4X
4.6 out of 5 Stars. 491 reviews

Base Layers Men's Fleece Lined Base Layer Bottom, White

Base Layers Men's Fleece Lined Base Layer Bottom, White
Black, variant on Base Layers Men's Fleece Lined Base Layer Bottom, White
Charcoal, variant on Base Layers Men's Fleece Lined Base Layer Bottom, White
Light Gray, variant on Base Layers Men's Fleece Lined Base Layer Bottom, White
Navy, variant on Base Layers Men's Fleece Lined Base Layer Bottom, White
DevOps
Base Layers Men's Fleece Lined Base Layer Bottom, White
4.2 out of 5 Stars. 65 reviews

Men's Ultra Heavyweight Thermal Underwear Set Fleece Lined Base Layer Top Bottom Long Johns for Cold Weather From $20.37

Men's Ultra Heavyweight Thermal Underwear Set Fleece Lined Base Layer Top Bottom Long Johns for Cold Weather
Black, variant on Men's Ultra Heavyweight Thermal Underwear Set Fleece Lined Base Layer Top Bottom Long Johns for Cold Weather
Dark Gray, variant on Men's Ultra Heavyweight Thermal Underwear Set Fleece Lined Base Layer Top Bottom Long Johns for Cold Weather
Light Gray, variant on Men's Ultra Heavyweight Thermal Underwear Set Fleece Lined Base Layer Top Bottom Long Johns for Cold Weather
Navy, variant on Men's Ultra Heavyweight Thermal Underwear Set Fleece Lined Base Layer Top Bottom Long Johns for Cold Weather
From$2037
FrzhBrz
Men's Ultra Heavyweight Thermal Underwear Set Fleece Lined Base Layer Top Bottom Long Johns for Cold Weather

ClimateRight by Cuddl Duds Women's Warm Stretch Fleece Long Sleeve Crew Neck Thermal Base Layer Top, Sizes XS to 4X From $10.68

ClimateRight by Cuddl Duds Women's Warm Stretch Fleece Long Sleeve Crew Neck Thermal Base Layer Top, Sizes XS to 4X
Black, variant on ClimateRight by Cuddl Duds Women's Warm Stretch Fleece Long Sleeve Crew Neck Thermal Base Layer Top, Sizes XS to 4X
Black Fairisle, variant on ClimateRight by Cuddl Duds Women's Warm Stretch Fleece Long Sleeve Crew Neck Thermal Base Layer Top, Sizes XS to 4X
Black Multi Floral, variant on ClimateRight by Cuddl Duds Women's Warm Stretch Fleece Long Sleeve Crew Neck Thermal Base Layer Top, Sizes XS to 4X
Blue Watercolor, variant on ClimateRight by Cuddl Duds Women's Warm Stretch Fleece Long Sleeve Crew Neck Thermal Base Layer Top, Sizes XS to 4X
From$1068
Cuddl Duds
ClimateRight by Cuddl Duds Women's Warm Stretch Fleece Long Sleeve Crew Neck Thermal Base Layer Top, Sizes XS to 4X
4.7 out of 5 Stars. 2748 reviews

Popular in Heavyweight Baselayer

Related Products