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Heavyweight Base Layer

Uses item details. Price when purchased online

Merino.tech Merino Wool Base Layer - Mens 100% Merino Wool Long Sleeve Thermal Shirts Heavyweight, Midweight, Lite with Socks From $39.99

Merino.tech Merino Wool Base Layer - Mens 100% Merino Wool Long Sleeve Thermal Shirts Heavyweight, Midweight, Lite with Socks
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Sponsored
From$3999
Merino Tech
Merino.tech Merino Wool Base Layer - Mens 100% Merino Wool Long Sleeve Thermal Shirts Heavyweight, Midweight, Lite with Socks
4.8 out of 5 Stars. 4 reviews

Merino Wool Base Layer Women - 100% Merino Half Zip Sweater Women Lite, Midweight, Heavyweight Thermal Shirts and Socks (Medium, 320 Black) From $52.19

Merino Wool Base Layer Women - 100% Merino Half Zip Sweater Women Lite, Midweight, Heavyweight Thermal Shirts and Socks (Medium, 320 Black)
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Merino Tech
Merino Wool Base Layer Women - 100% Merino Half Zip Sweater Women Lite, Midweight, Heavyweight Thermal Shirts and Socks (Medium, 320 Black)

Merino Wool Base Layer Mens Bottom Pants 100% Merino Wool Heavyweight, Midweight, Lite Thermal Underwear Long Johns and Socks From $49.99

Merino Wool Base Layer Mens Bottom Pants 100% Merino Wool Heavyweight, Midweight, Lite Thermal Underwear Long Johns and Socks
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Sponsored
From$4999
Merino Tech
Merino Wool Base Layer Mens Bottom Pants 100% Merino Wool Heavyweight, Midweight, Lite Thermal Underwear Long Johns and Socks
5 out of 5 Stars. 2 reviews

Merino.tech Merino Wool Base Layer Mens Set - Heavyweight, Midweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom From $75.99

Merino.tech Merino Wool Base Layer Mens Set - Heavyweight, Midweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom
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Sponsored
From$7599
Merino Tech
Merino.tech Merino Wool Base Layer Mens Set - Heavyweight, Midweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom
5 out of 5 Stars. 1 reviews

Men's Heavyweight Fleece Base Layer Thermal Shirt, Black, M From $23.97

Men's Heavyweight Fleece Base Layer Thermal Shirt, Black, M
Available in additional 3 options
Options
From$2397
Realtree
Men's Heavyweight Fleece Base Layer Thermal Shirt, Black, M
4.7 out of 5 Stars. 106 reviews

Clearance Merino Wool Base Layer Mens Set - Midweight, Heavyweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom From $14.99

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
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AGrey, variant on Merino Wool Base Layer Mens Set - Midweight, Heavyweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom
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From$1499
MLCDHKHUY
Merino Wool Base Layer Mens Set - Midweight, Heavyweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom
2.9 out of 5 Stars. 14 reviews

Reduced price 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
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From$759
RYDCOT
Merino Wool Base Layer Mens Bottom Pants 100% Merino Wool Heavyweight thermal Underwear Long Johns Black

Merino.tech Merino Wool Base Layer - Mens 100% Merino Wool Long Sleeve Thermal Shirts Heavyweight, Midweight, Lite with Socks From $39.99

Merino.tech Merino Wool Base Layer - Mens 100% Merino Wool Long Sleeve Thermal Shirts Heavyweight, Midweight, Lite with Socks
165 Arctic, variant on Merino.tech Merino Wool Base Layer - Mens 100% Merino Wool Long Sleeve Thermal Shirts Heavyweight, Midweight, Lite with Socks
165 Black, variant on Merino.tech Merino Wool Base Layer - Mens 100% Merino Wool Long Sleeve Thermal Shirts Heavyweight, Midweight, Lite with Socks
165 Charcoal Grey, variant on Merino.tech Merino Wool Base Layer - Mens 100% Merino Wool Long Sleeve Thermal Shirts Heavyweight, Midweight, Lite with Socks
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Options
From$3999
Merino Tech
Merino.tech Merino Wool Base Layer - Mens 100% Merino Wool Long Sleeve Thermal Shirts Heavyweight, Midweight, Lite with Socks
4.8 out of 5 Stars. 4 reviews

Merino.tech Merino Wool Base Layer Mens Set - Heavyweight, Midweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom From $75.99

Merino.tech Merino Wool Base Layer Mens Set - Heavyweight, Midweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom
Black, variant on Merino.tech Merino Wool Base Layer Mens Set - Heavyweight, Midweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom
Charcoal Grey, variant on Merino.tech Merino Wool Base Layer Mens Set - Heavyweight, Midweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom
Chocolate, variant on Merino.tech Merino Wool Base Layer Mens Set - Heavyweight, Midweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom
Deep Teal, variant on Merino.tech Merino Wool Base Layer Mens Set - Heavyweight, Midweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom
Options
From$7599
Merino Tech
Merino.tech Merino Wool Base Layer Mens Set - Heavyweight, Midweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom
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
Options
From$1800
Russell
Men's & Big Men's Heavyweight Fleece Baselayer Thermal Pant, Sizes M-5XL
4.1 out of 5 Stars. 60 reviews

Merino Wool Base Layer Women - 100% Merino Wool Shirt Women Thermal Underwear Long Sleeve T-Shirt for Hiking From $49.99

Merino Wool Base Layer Women - 100% Merino Wool Shirt Women Thermal Underwear Long Sleeve T-Shirt for Hiking
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From$4999
Merino Tech
Merino Wool Base Layer Women - 100% Merino Wool Shirt Women Thermal Underwear Long Sleeve T-Shirt for Hiking

Merino Wool Base Layer Women Pants 100% Merino Wool Leggings Heavyweight, Midweight, Lite Thermal Underwear Bottom and Socks From $49.99

Merino Wool Base Layer Women Pants 100% Merino Wool Leggings Heavyweight, Midweight, Lite Thermal Underwear Bottom and Socks
Sponsored
From$4999
Merino Tech
Merino Wool Base Layer Women Pants 100% Merino Wool Leggings Heavyweight, Midweight, Lite Thermal Underwear Bottom and Socks
4.4 out of 5 Stars. 5 reviews

Merino Wool Base Layer Mens Bottom Pants 100% Merino Wool Heavyweight, Midweight, Lite Thermal Underwear Long Johns and Socks From $49.99

Merino Wool Base Layer Mens Bottom Pants 100% Merino Wool Heavyweight, Midweight, Lite Thermal Underwear Long Johns and Socks
Black, variant on Merino Wool Base Layer Mens Bottom Pants 100% Merino Wool Heavyweight, Midweight, Lite Thermal Underwear Long Johns and Socks
Charcoal Grey, variant on Merino Wool Base Layer Mens Bottom Pants 100% Merino Wool Heavyweight, Midweight, Lite Thermal Underwear Long Johns and Socks
Options
From$4999
Merino Tech
Merino Wool Base Layer Mens Bottom Pants 100% Merino Wool Heavyweight, Midweight, Lite Thermal Underwear Long Johns and Socks
5 out of 5 Stars. 2 reviews

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

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

Merino Wool Base Layer Mens Set - Midweight, Heavyweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom Dark Gray L From $17.99

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$1799
Tao Tao
Merino Wool Base Layer Mens Set - Midweight, Heavyweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom Dark Gray L

Crew Neck Thermal Top for Men Winter Underwear Heavyweight Fleece Warm Base Layer Cold Weather XL Size Dark Gray From $13.29

Crew Neck Thermal Top for Men Winter Underwear Heavyweight Fleece Warm Base Layer Cold Weather XL Size Dark Gray
Black, variant on Crew Neck Thermal Top for Men Winter Underwear Heavyweight Fleece Warm Base Layer Cold Weather XL Size Dark Gray
Dark Gray, variant on Crew Neck Thermal Top for Men Winter Underwear Heavyweight Fleece Warm Base Layer Cold Weather XL Size Dark Gray
Grey, variant on Crew Neck Thermal Top for Men Winter Underwear Heavyweight Fleece Warm Base Layer Cold Weather XL Size Dark Gray
Navy, variant on Crew Neck Thermal Top for Men Winter Underwear Heavyweight Fleece Warm Base Layer Cold Weather XL Size Dark Gray
Options
From$1329
Breezora
Crew Neck Thermal Top for Men Winter Underwear Heavyweight Fleece Warm Base Layer Cold Weather XL Size Dark Gray

Clearance Mens Base Layer Pants 2Pcs Wool Heavyweight Thermal Pants Underwear Long Johns Pant Dark Gray M From $20.47

Mens Base Layer Pants 2Pcs Wool Heavyweight Thermal Pants Underwear Long Johns Pant Dark Gray M
Dark Gray Pants fot Men b, variant on Mens Base Layer Pants 2Pcs Wool Heavyweight Thermal Pants Underwear Long Johns Pant Dark Gray M
Dark Gray Pants fot Men f, variant on Mens Base Layer Pants 2Pcs Wool Heavyweight Thermal Pants Underwear Long Johns Pant Dark Gray M
Gray Pants fot Men c, variant on Mens Base Layer Pants 2Pcs Wool Heavyweight Thermal Pants Underwear Long Johns Pant Dark Gray M
Gray Pants fot Men g, variant on Mens Base Layer Pants 2Pcs Wool Heavyweight Thermal Pants Underwear Long Johns Pant Dark Gray M
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From$2047
safuny
Mens Base Layer Pants 2Pcs Wool Heavyweight Thermal Pants Underwear Long Johns Pant Dark Gray M

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

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
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From$2037
FrzhBrz
Men's Ultra Heavyweight Thermal Underwear Set Fleece Lined Base Layer Top Bottom Long Johns for Cold Weather

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
Options
Mossy Oak
Men's Heavyweight Fleece Base Layer Thermal Shirt, Mossy Oak Terra Gila, XL
4.2 out of 5 Stars. 18 reviews

Clearance Mens Baselayer PJ Set, Mens Thermal Sets up to 3XL (2 Sets) From $15.99

Mens Baselayer PJ Set, Mens Thermal Sets up to 3XL (2 Sets)
Sponsored
From$1599
Daresay
Mens Baselayer PJ Set, Mens Thermal Sets up to 3XL (2 Sets)
4.3 out of 5 Stars. 120 reviews

Men's Heavyweight Fleece Base Layer Thermal Shirt, Realtree APX, XL From $21.98

Men's Heavyweight Fleece Base Layer Thermal Shirt, Realtree APX, XL
Options
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From$2198
Realtree
Men's Heavyweight Fleece Base Layer Thermal Shirt, Realtree APX, XL
4.5 out of 5 Stars. 15 reviews

Merino Wool Base Layer Women Pants 100% Merino Wool Leggings Heavyweight, Midweight, Lite Thermal Underwear Bottom and Socks From $49.99

Merino Wool Base Layer Women Pants 100% Merino Wool Leggings Heavyweight, Midweight, Lite Thermal Underwear Bottom and Socks
Black, variant on Merino Wool Base Layer Women Pants 100% Merino Wool Leggings Heavyweight, Midweight, Lite Thermal Underwear Bottom and Socks
Burgundy, variant on Merino Wool Base Layer Women Pants 100% Merino Wool Leggings Heavyweight, Midweight, Lite Thermal Underwear Bottom and Socks
Charcoal Grey, variant on Merino Wool Base Layer Women Pants 100% Merino Wool Leggings Heavyweight, Midweight, Lite Thermal Underwear Bottom and Socks
Deep Blue, variant on Merino Wool Base Layer Women Pants 100% Merino Wool Leggings Heavyweight, Midweight, Lite Thermal Underwear Bottom and Socks
From$4999
Merino Tech
Merino Wool Base Layer Women Pants 100% Merino Wool Leggings Heavyweight, Midweight, Lite Thermal Underwear Bottom and Socks
4.4 out of 5 Stars. 5 reviews

2025 Wool Leggings Womens Thermal Base Layer Pants High Waisted Long Underwear Heavyweight Soft Yoga Leggings From $11.08

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$1108
Sdeycui
2025 Wool Leggings Womens Thermal Base Layer Pants High Waisted Long Underwear Heavyweight Soft Yoga Leggings

Clearance 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
5 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
Options
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 APEXFWDT Men's Heavyweight Thermal Underwear Set Cold Weather Base Layer Top Bottom Fleece Lined Long Johns for Men Outdoor Baselayer From $17.34

APEXFWDT Men's Heavyweight Thermal Underwear Set Cold Weather Base Layer Top Bottom Fleece Lined Long Johns for Men Outdoor Baselayer
Black, variant on APEXFWDT Men's Heavyweight Thermal Underwear Set Cold Weather Base Layer Top Bottom Fleece Lined Long Johns for Men Outdoor Baselayer
Dark Gray, variant on APEXFWDT Men's Heavyweight Thermal Underwear Set Cold Weather Base Layer Top Bottom Fleece Lined Long Johns for Men Outdoor Baselayer
Gray, variant on APEXFWDT Men's Heavyweight Thermal Underwear Set Cold Weather Base Layer Top Bottom Fleece Lined Long Johns for Men Outdoor Baselayer
Navy, variant on APEXFWDT Men's Heavyweight Thermal Underwear Set Cold Weather Base Layer Top Bottom Fleece Lined Long Johns for Men Outdoor Baselayer
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From$1734
BFHHYA
APEXFWDT Men's Heavyweight Thermal Underwear Set Cold Weather Base Layer Top Bottom Fleece Lined Long Johns for Men Outdoor Baselayer
3.2 out of 5 Stars. 13 reviews

MEN'S HEAVYWEIGHT FLEECE BASELAYER CREW TOP - Black, S $24.99

MEN'S HEAVYWEIGHT FLEECE BASELAYER CREW TOP - Black, S
current price $24.99
32 Degrees
MEN'S HEAVYWEIGHT FLEECE BASELAYER CREW TOP - Black, S

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

Men's Underwear Base Layer Pant
Available in additional 4 options
From$399
Reebok
Men's Underwear Base Layer Pant
4.5 out of 5 Stars. 898 reviews

Men's Eddie Bauer Heavyweight Base Layer Top $24.99 Was $29.49

Men's Eddie Bauer Heavyweight Base Layer Top
current price Now $24.99, Was $29.49
Eddie Bauer
Men's Eddie Bauer Heavyweight Base Layer Top
4.6 out of 5 Stars. 95 reviews

Heavyweight Mid-Layer Top - Maximum Warmth & Flexibility for Extreme Cold From $52.14

Heavyweight Mid-Layer Top - Maximum Warmth & Flexibility for Extreme Cold
Available in additional 8 options
Options
From$5214
RefrigiWear
Heavyweight Mid-Layer Top - Maximum Warmth & Flexibility for Extreme Cold
4.6 out of 5 Stars. 39 reviews

Upgraded Thermal Underwear for Men Long Johns Set Heavy Weight Double-layer Pant thermal underwear bottoms Base Layer Cold Weather Top Bottom (Black, L) From $14.99

Upgraded Thermal Underwear for Men Long Johns Set Heavy Weight Double-layer Pant thermal underwear bottoms Base Layer Cold Weather Top Bottom (Black, L)
Black, variant on Upgraded Thermal Underwear for Men Long Johns Set Heavy Weight Double-layer Pant thermal underwear bottoms Base Layer Cold Weather Top Bottom (Black, L)
Navy, variant on Upgraded Thermal Underwear for Men Long Johns Set Heavy Weight Double-layer Pant thermal underwear bottoms Base Layer Cold Weather Top Bottom (Black, L)
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From$1499
Letdown
Upgraded Thermal Underwear for Men Long Johns Set Heavy Weight Double-layer Pant thermal underwear bottoms Base Layer Cold Weather Top Bottom (Black, L)

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

Merino Wool Base Layer Women - 100% Merino Half Zip Sweater Women Lite, Midweight, Heavyweight Thermal Shirts and Socks (Medium, 320 Black) From $52.19

Merino Wool Base Layer Women - 100% Merino Half Zip Sweater Women Lite, Midweight, Heavyweight Thermal Shirts and Socks (Medium, 320 Black)
165 Black, variant on Merino Wool Base Layer Women - 100% Merino Half Zip Sweater Women Lite, Midweight, Heavyweight Thermal Shirts and Socks (Medium, 320 Black)
165 Charcoal Grey, variant on Merino Wool Base Layer Women - 100% Merino Half Zip Sweater Women Lite, Midweight, Heavyweight Thermal Shirts and Socks (Medium, 320 Black)
250 Black, variant on Merino Wool Base Layer Women - 100% Merino Half Zip Sweater Women Lite, Midweight, Heavyweight Thermal Shirts and Socks (Medium, 320 Black)
250 Charcoal Grey, variant on Merino Wool Base Layer Women - 100% Merino Half Zip Sweater Women Lite, Midweight, Heavyweight Thermal Shirts and Socks (Medium, 320 Black)
From$5219
Merino Tech
Merino Wool Base Layer Women - 100% Merino Half Zip Sweater Women Lite, Midweight, Heavyweight Thermal Shirts and Socks (Medium, 320 Black)

Wool Base Layer Kids Set - Midweight Heavyweight Winter Thermal Underwear For Toddler Boy Girl Top Bottom Sleepwear Gray 12 Years From $26.19

Wool Base Layer Kids Set - Midweight Heavyweight Winter Thermal Underwear For Toddler Boy Girl Top Bottom Sleepwear Gray 12 Years
Gray, variant on Wool Base Layer Kids Set - Midweight Heavyweight Winter Thermal Underwear For Toddler Boy Girl Top Bottom Sleepwear Gray 12 Years
Khaki, variant on Wool Base Layer Kids Set - Midweight Heavyweight Winter Thermal Underwear For Toddler Boy Girl Top Bottom Sleepwear Gray 12 Years
Light Blue, variant on Wool Base Layer Kids Set - Midweight Heavyweight Winter Thermal Underwear For Toddler Boy Girl Top Bottom Sleepwear Gray 12 Years
Pink, variant on Wool Base Layer Kids Set - Midweight Heavyweight Winter Thermal Underwear For Toddler Boy Girl Top Bottom Sleepwear Gray 12 Years
From$2619
Hduncf
Wool Base Layer Kids Set - Midweight Heavyweight Winter Thermal Underwear For Toddler Boy Girl Top Bottom Sleepwear Gray 12 Years
1 out of 5 Stars. 1 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

Men's Thermal Heavy Weight Rib Knit Wool Onesie Baselayer

Men's Thermal Heavy Weight Rib Knit Wool Onesie Baselayer
Options
Stanfield's
Men's Thermal Heavy Weight Rib Knit Wool Onesie Baselayer
4.8 out of 5 Stars. 8 reviews

Heavyweight Women's Wool Crew Top Thermal Base Layer - 100% Merino Wool

Heavyweight Women's Wool Crew Top Thermal Base Layer - 100% Merino Wool
Unbranded
Heavyweight Women's Wool Crew Top Thermal Base Layer - 100% Merino Wool

Men's Thermal Underwear Top Long Sleeve, Heavier Weight for Extreme Cold, Winter Base Layer Xxl From $18.99

Men's Thermal Underwear Top Long Sleeve, Heavier Weight for Extreme Cold, Winter Base Layer Xxl
Army Green, variant on Men's Thermal Underwear Top Long Sleeve, Heavier Weight for Extreme Cold, Winter Base Layer Xxl
Black, variant on Men's Thermal Underwear Top Long Sleeve, Heavier Weight for Extreme Cold, Winter Base Layer Xxl
Grey, variant on Men's Thermal Underwear Top Long Sleeve, Heavier Weight for Extreme Cold, Winter Base Layer Xxl
Light Gray, variant on Men's Thermal Underwear Top Long Sleeve, Heavier Weight for Extreme Cold, Winter Base Layer Xxl
Options
From$1899
VJATTWR
Men's Thermal Underwear Top Long Sleeve, Heavier Weight for Extreme Cold, Winter Base Layer Xxl

Men's Thermal Waffle Crew Top, Sizes S-5XL From $9.98

Men's Thermal Waffle Crew Top, Sizes S-5XL
Birchwood, variant on Men's Thermal Waffle Crew Top, Sizes S-5XL
Black Soot, variant on Men's Thermal Waffle Crew Top, Sizes S-5XL
Dufflebag, variant on Men's Thermal Waffle Crew Top, Sizes S-5XL
J Navy, variant on Men's Thermal Waffle Crew Top, Sizes S-5XL
From$998
Fruit of the Loom
Men's Thermal Waffle Crew Top, Sizes S-5XL
4.3 out of 5 Stars. 3291 reviews

Men's Heavy Weight, Moisture Wicking Waffle Thermal Top, 1 Pack (Large, Navy) $15.88

Men's Heavy Weight, Moisture Wicking Waffle Thermal Top, 1 Pack (Large, Navy)
current price $15.88
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Men's Heavy Weight, Moisture Wicking Waffle Thermal Top, 1 Pack (Large, Navy)

Men's Classic Waffle Knit Heavyweight Cotton Long Sleeve Thermal T-Shirt Top From $14.95

Men's Classic Waffle Knit Heavyweight Cotton Long Sleeve Thermal T-Shirt Top
Black, variant on Men's Classic Waffle Knit Heavyweight Cotton Long Sleeve Thermal T-Shirt Top
Burgundy, variant on Men's Classic Waffle Knit Heavyweight Cotton Long Sleeve Thermal T-Shirt Top
Charcoal, variant on Men's Classic Waffle Knit Heavyweight Cotton Long Sleeve Thermal T-Shirt Top
Denim, variant on Men's Classic Waffle Knit Heavyweight Cotton Long Sleeve Thermal T-Shirt Top
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TheLovely
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Women's 100% Merino Wool Heavyweight Base Layer Bottoms

Women's 100% Merino Wool Heavyweight Base Layer Bottoms
Black, variant on Women's 100% Merino Wool Heavyweight Base Layer Bottoms
Burgundy, variant on Women's 100% Merino Wool Heavyweight Base Layer Bottoms
Unbranded
Women's 100% Merino Wool Heavyweight Base Layer Bottoms

Men Heavyweight Rayon Spandex thermal Underwear Base Layer Long Johns Blended Fleece Lined Set for Cold Weather Black From $6.29

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
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From$629
RYDCOT
Men Heavyweight Rayon Spandex thermal Underwear Base Layer Long Johns Blended Fleece Lined Set for Cold Weather Black

Men's Heavyweight Cotton Long Sleeve Thermal Top, Charcoal Gray L, 1 Count, 1 Pack From $14.39

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
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From$1439
COUVER
Men's Heavyweight Cotton Long Sleeve Thermal Top, Charcoal Gray L, 1 Count, 1 Pack
4.7 out of 5 Stars. 61 reviews

Merino Wool Base Layer Mens Set - Midweight, Heavyweight, Lite Merino Wool Thermal Underwear For Men Top, Bottom Navy L From $17.19

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
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From$1719
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

Heavyweight Mid-Layer Bottom - Ultimate Warmth & Comfort for Extreme Cold From $39.28

Heavyweight Mid-Layer Bottom - Ultimate Warmth & Comfort for Extreme Cold
Available in additional 4 options
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From$3928
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Heavyweight Mid-Layer Bottom - Ultimate Warmth & Comfort for Extreme Cold
4.7 out of 5 Stars. 35 reviews

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