Base Layers & Underwear

Base layers and underwear are essential pieces of clothing for anyone who wants to stay comfortable and warm during outdoor activities. Whether you are hiking, skiing, or just spending time outside in cold weather, having the right base layers can make all the difference. Our collection of base layers and underwear includes a variety of options to suit your needs. From moisture-wicking tops and bottoms to cozy thermal underwear, we have everything you need to stay warm and dry. Our base layers are designed to be lightweight and breathable, so you can stay comfortable all day long. Whether you are looking for men's, women's, or children's base layers and underwear, we have a wide range of sizes and styles to choose from. Made from high-quality materials, our base layers are designed to last and keep you warm in even the coldest of conditions. Don't let the cold weather keep you indoors. Invest in quality base layers and underwear from our collection and stay warm and comfortable no matter what the weather brings.
Mens Long Johns Thermal Set Half Full Sleeve Top Bottom Base Layer Underwear
Mens Long Johns Thermal Set Half Full Sleeve Top Bottom Base Layer Underwear on E-Bay starting at $4.75

Free Flat Rate Shipping

Expedited: No

Next Day: No

Clothing Deals UK

Rating: 99.1%

Men Winter Fleece Lined 100% Cotton Thermal Long Johns Top Bottom Underwear Set
Men Winter Fleece Lined 100% Cotton Thermal Long Johns Top Bottom Underwear Set on E-Bay starting at $13.98

Free Worldwide Shipping

Expedited: Yes

Next Day: No

Cellphone Friend

Rating: 98.9%

Mens 100% Cotton Top & Bottom 2PC Set Waffle Knit Thermal Long Johns Underwear
Mens 100% Cotton Top & Bottom 2PC Set Waffle Knit Thermal Long Johns Underwear on E-Bay starting at $14.99

Free Worldwide Shipping

Expedited: Yes

Next Day: No

NYC Golden Deal

Rating: 98.0%

Mens Winter Ultra-Soft Fleece Lined Thermal Top & Bottom Long John Underwear Set
Mens Winter Ultra-Soft Fleece Lined Thermal Top & Bottom Long John Underwear Set on E-Bay starting at $19.99

Free Worldwide Shipping

Expedited: Yes

Next Day: No

OngDogDog

Rating: 97.4%

Military Thermal Knit Underwear Cold Weather Long Johns Waffle Warm Base Layer
Military Thermal Knit Underwear Cold Weather Long Johns Waffle Warm Base Layer on E-Bay starting at $16.99

Free Worldwide Shipping

Expedited: Yes

Next Day: No

ArmyUniverse

Rating: 99.1%

Men 100% Cotton Thermal Fleece Lined Long Johns Warm Underwear Top+Pants 2PC Set
Men 100% Cotton Thermal Fleece Lined Long Johns Warm Underwear Top+Pants 2PC Set on E-Bay starting at $12.88

Free Worldwide Shipping

Expedited: Yes

Next Day: No

Little Flower Accessory

Rating: 98.9%

Men's Merino Wool Blend Long Sleeve Thermal Top Underwear Thermals Base Layer
Men's Merino Wool Blend Long Sleeve Thermal Top Underwear Thermals Base Layer on E-Bay starting at $13.74

$21.87 NotSpecified Worldwide shipping

Expedited: Yes

Next Day: No

Boutique Retailer

Rating: 98.3%

MENS FULL SET THERMAL UNDERWEAR LONG SLEEVE SHIRT VEST TOP & LONG JOHNS TROUSERS
MENS FULL SET THERMAL UNDERWEAR LONG SLEEVE SHIRT VEST TOP & LONG JOHNS TROUSERS on E-Bay starting at $8.26

Free Flat Rate Shipping

Expedited: No

Next Day: Yes

E CLOTHING LTD

Rating: 97.2%

Womens Winter Ultra-Soft Fleece Lined Thermal Top & Bottom Underwear Set
Womens Winter Ultra-Soft Fleece Lined Thermal Top & Bottom Underwear Set on E-Bay starting at $19.99

Free Worldwide Shipping

Expedited: Yes

Next Day: No

OngDogDog

Rating: 97.4%

Mens Thermal Long Johns Top Bottom Set Cotton Underwear Warm Vest Base layer Set
Mens Thermal Long Johns Top Bottom Set Cotton Underwear Warm Vest Base layer Set on E-Bay starting at $6.26

Free Flat Rate Shipping

Expedited: No

Next Day: Yes

kazadltd

Rating: 98.3%

Men 100% Cotton Fleece Lined Thermal Long Johns Top & Bottom 2Pc Underwear Set
Men 100% Cotton Fleece Lined Thermal Long Johns Top & Bottom 2Pc Underwear Set on E-Bay starting at $12.88

Free Worldwide Shipping

Expedited: Yes

Next Day: No

NYC Golden Deal

Rating: 98.0%

British Army Olive Long Sleeve Top T Shirt Thermal Underwear Base Layer T'shirt
British Army Olive Long Sleeve Top T Shirt Thermal Underwear Base Layer T'shirt on E-Bay starting at $10.02

Free Flat Rate Shipping

Expedited: No

Next Day: Yes

Only Army Quality Surplus

Rating: 98.4%

ECWCS Military Fleece Thermals Extra Warm Winter Underwear Long Johns Base Layer
ECWCS Military Fleece Thermals Extra Warm Winter Underwear Long Johns Base Layer on E-Bay starting at $25.99

Free Worldwide Shipping

Expedited: Yes

Next Day: No

ArmyUniverse

Rating: 99.1%

Mens Thermal Long Johns Top Bottom Underwear Base Layer Premium Quality Full Set
Mens Thermal Long Johns Top Bottom Underwear Base Layer Premium Quality Full Set on E-Bay starting at $9.39

Free Flat Rate Shipping

Expedited: No

Next Day: Yes

True Face UK

Rating: 98.7%

Mens Winter Fleece Lined Elastic Warm Thermal Long Johns Legging Underwear Pants
Mens Winter Fleece Lined Elastic Warm Thermal Long Johns Legging Underwear Pants on E-Bay starting at $12.99

Free Worldwide Shipping

Expedited: No

Next Day: No

Cellphone Friend

Rating: 98.9%

Women's Ultra Soft Fleece Lined Thermal Top & Bottom Base Layer Underwear Set
Women's Ultra Soft Fleece Lined Thermal Top & Bottom Base Layer Underwear Set on E-Bay starting at $24.99

Free Worldwide Shipping

Expedited: Yes

Next Day: No

Real Deals Bazar

Rating: 100.0%

Men Waffle Knit 100% Cotton Thermal Long Johns Underwear Top & Bottom 2PCs Set
Men Waffle Knit 100% Cotton Thermal Long Johns Underwear Top & Bottom 2PCs Set on E-Bay starting at $14.99

Free Worldwide Shipping

Expedited: Yes

Next Day: No

Cellphone Friend

Rating: 98.9%

Military ECWCS Gen III Silkweight Long Underwear - Long John, Base Layer
Military ECWCS Gen III Silkweight Long Underwear - Long John, Base Layer on E-Bay starting at $17.99

Free Worldwide Shipping

Expedited: Yes

Next Day: No

GoCommandoGear

Rating: 99.1%

KIDS LONG SLEEVE THERMAL T-SHIRT BOYS GIRLS BASE LAYER CHILDREN UNDERWEAR TOP
KIDS LONG SLEEVE THERMAL T-SHIRT BOYS GIRLS BASE LAYER CHILDREN UNDERWEAR TOP on E-Bay starting at $9.89

Free Flat Rate Shipping

Expedited: No

Next Day: Yes

E CLOTHING LTD

Rating: 97.2%

Mens Winter Fur Lined Elastic Velvet Thermal Long Johns Legging Underwear Pants
Mens Winter Fur Lined Elastic Velvet Thermal Long Johns Legging Underwear Pants on E-Bay starting at $23.99

Free Worldwide Shipping

Expedited: No

Next Day: No

Cellphone Friend

Rating: 98.9%

Men's 100% Merino Wool Base Layer Top Ski Winter Thermal Underwear Shirts
Men's 100% Merino Wool Base Layer Top Ski Winter Thermal Underwear Shirts on E-Bay starting at $39.99

Free Worldwide Shipping

Expedited: Yes

Next Day: No

SPECIAL MAGIC

Rating: 99.0%

Men Winter Fleece Lined 100% Cotton Thermal Long Johns Top Bottom Underwear Set
Men Winter Fleece Lined 100% Cotton Thermal Long Johns Top Bottom Underwear Set on E-Bay starting at $13.98

Free Worldwide Shipping

Expedited: No

Next Day: No

Cellphone Friend

Rating: 98.9%

Men 100% Merino Wool Base layer Set Winter Underwear Bottom Long Sleeve Top Gift
Men 100% Merino Wool Base layer Set Winter Underwear Bottom Long Sleeve Top Gift on E-Bay starting at $71.99

Free Worldwide Shipping

Expedited: Yes

Next Day: No

SPECIAL MAGIC

Rating: 99.0%

Mens Long Johns Thermal Set Half Full Sleeve Top Bottom Base Layer Underwear
Mens Long Johns Thermal Set Half Full Sleeve Top Bottom Base Layer Underwear on E-Bay starting at $11.78

Free Flat Rate Shipping

Expedited: No

Next Day: No

Clothing Deals UK

Rating: 99.1%

100% Merino Wool UT Men SOFT Boxer Brief Base Layer 2809 NEW
100% Merino Wool UT Men SOFT Boxer Brief Base Layer 2809 NEW on E-Bay starting at $23.76

Free Worldwide Shipping

Expedited: No

Next Day: No

loscobos2010

Rating: 100.0%

32 Degrees Heat Women's Heat Base Layer thermal underwear
32 Degrees Heat Women's Heat Base Layer thermal underwear on E-Bay starting at $4.99

Shipping Calculated by Location

Expedited: No

Next Day: No

bodycare

Rating: 100.0%

KIDS THERMAL BOTTOMS BOYS GIRLS LONG JOHN BASE LAYER CHILDREN UNDERWEAR PANTS
KIDS THERMAL BOTTOMS BOYS GIRLS LONG JOHN BASE LAYER CHILDREN UNDERWEAR PANTS on E-Bay starting at $7.21

Free Flat Rate Shipping

Expedited: No

Next Day: Yes

E CLOTHING LTD

Rating: 97.2%

Rothco Thermal Knit Underwear Cold Weather Long Johns Waffle Warm Base Layer
Rothco Thermal Knit Underwear Cold Weather Long Johns Waffle Warm Base Layer on E-Bay starting at $15.99

Free Flat Rate Domestic Shipping

Calculated International Shipping

Expedited: Yes

Next Day: No

Army Navy Store

Rating: 99.5%

Mens Ultra Soft Winter Fleece Lined Thermal Base Layer Top & Bottom Set
Mens Ultra Soft Winter Fleece Lined Thermal Base Layer Top & Bottom Set on E-Bay starting at $17.99

Free Worldwide Shipping

Expedited: Yes

Next Day: No

100% Merino Wool JBS Olympia Men Zipneck Shirt  Base Layer Oly3 NEW
100% Merino Wool JBS Olympia Men Zipneck Shirt Base Layer Oly3 NEW on E-Bay starting at $52.90

Free Worldwide Shipping

Expedited: No

Next Day: No

loscobos2010

Rating: 100.0%

Mens Winter Ultra-Soft Fleece Lined Thermal Top & Bottom Long John Underwear Set
Mens Winter Ultra-Soft Fleece Lined Thermal Top & Bottom Long John Underwear Set on E-Bay starting at $19.99

Free Worldwide Shipping

Expedited: No

Next Day: No

OngDogDog

Rating: 97.4%

Mens Winter Ultra-Soft Fleece Lined Thermal Top & Bottom Long John Underwear Set
Mens Winter Ultra-Soft Fleece Lined Thermal Top & Bottom Long John Underwear Set on E-Bay starting at $19.99

Free Worldwide Shipping

Expedited: No

Next Day: No

OngDogDog

Rating: 97.4%

Mens Long Johns Thermal Set Half Full Sleeve Top Bottom Base Layer Underwear
Mens Long Johns Thermal Set Half Full Sleeve Top Bottom Base Layer Underwear on E-Bay starting at $11.78

Free Flat Rate Shipping

Expedited: No

Next Day: No

Clothing Deals UK

Rating: 99.1%

100% Cotton Men Winter Thermal Fleece Lined Long Johns Top Bottom Underwear Set
100% Cotton Men Winter Thermal Fleece Lined Long Johns Top Bottom Underwear Set on E-Bay starting at $12.88

Free Worldwide Shipping

Expedited: Yes

Next Day: No

Rainbow Sunflower Inc.

Rating: 98.3%

Mens 100% Cotton Top & Bottom 2PC Set Waffle Knit Thermal Long Johns Underwear
Mens 100% Cotton Top & Bottom 2PC Set Waffle Knit Thermal Long Johns Underwear on E-Bay starting at $15.99

Free Worldwide Shipping

Expedited: No

Next Day: No

NYC Golden Deal

Rating: 98.0%

Thermal Underwear Full Long Sleeve Top Base Layer Soft Heat Trap Fabric Mens
Thermal Underwear Full Long Sleeve Top Base Layer Soft Heat Trap Fabric Mens on E-Bay starting at $7.51

Free Flat Rate Shipping

Expedited: No

Next Day: No

Army And Workwear

Rating: 98.8%

Men Winter Fleece Lined 100% Cotton Thermal Long Johns Top Bottom Underwear Set
Men Winter Fleece Lined 100% Cotton Thermal Long Johns Top Bottom Underwear Set on E-Bay starting at $13.98

Free Worldwide Shipping

Expedited: No

Next Day: No

Cellphone Friend

Rating: 98.9%

Men's Thermal Long Johns Long Sleeve Top Bottom Underwear Base Layer Warm Set
Men's Thermal Long Johns Long Sleeve Top Bottom Underwear Base Layer Warm Set on E-Bay starting at $6.26

Free Flat Rate Shipping

Expedited: No

Next Day: No

Grunge-WearUK

Rating: 98.6%

Mens 100% Cotton Top & Bottom 2PC Set Waffle Knit Thermal Long Johns Underwear
Mens 100% Cotton Top & Bottom 2PC Set Waffle Knit Thermal Long Johns Underwear on E-Bay starting at $15.99

Free Worldwide Shipping

Expedited: No

Next Day: No

NYC Golden Deal

Rating: 98.0%

Men's Merino Wool Blend Long Sleeve Thermal Top Underwear Thermals Base Layer
Men's Merino Wool Blend Long Sleeve Thermal Top Underwear Thermals Base Layer on E-Bay starting at $13.74

$ NotSpecified Worldwide shipping

Expedited: Yes

Next Day: No

Boutique Retailer

Rating: 98.3%

Mens Compression Boxer Shorts Base layers Sports Briefs skin fit gym pants YOGA
Mens Compression Boxer Shorts Base layers Sports Briefs skin fit gym pants YOGA on E-Bay starting at $8.14

Free Flat Rate Shipping

Expedited: No

Next Day: Yes

Uconnect Services

Rating: 99.7%

MERIWOOL Men’s Merino Wool Midweight Baselayer Bottom Thermal Underwear
MERIWOOL Men’s Merino Wool Midweight Baselayer Bottom Thermal Underwear on E-Bay starting at $59.99

Free Worldwide Shipping

Expedited: Yes

Next Day: No

Low-Baller

Rating: 99.5%

Boys/Girls Thermal Underwear Set Long Sleeve Top & Bottoms Winter Warm Baselayer
Boys/Girls Thermal Underwear Set Long Sleeve Top & Bottoms Winter Warm Baselayer on E-Bay starting at $9.97

Free Flat Rate Shipping

Expedited: No

Next Day: Yes

SockCompany

Rating: 99.3%

Men Winter Fleece Lined 100% Cotton Thermal Long Johns Top Bottom Underwear Set
Men Winter Fleece Lined 100% Cotton Thermal Long Johns Top Bottom Underwear Set on E-Bay starting at $13.98

Free Worldwide Shipping

Expedited: No

Next Day: No

Cellphone Friend

Rating: 98.9%

British Army PCS Thermal Vest Base Layer Underwear Top Coolmax Self Wicking UK
British Army PCS Thermal Vest Base Layer Underwear Top Coolmax Self Wicking UK on E-Bay starting at $9.97

Free Flat Rate Shipping

Expedited: No

Next Day: Yes

Pools Surplus Stores

Rating: 99.7%

Mens Compression Long Trousers Base Layer Running Tights Jogging Gym Sport Pants
Mens Compression Long Trousers Base Layer Running Tights Jogging Gym Sport Pants on E-Bay starting at $14.89

Free Worldwide Shipping

Expedited: No

Next Day: No

colorzone2008

Rating: 98.6%

Mens 100% Cotton Top & Bottom 2PC Set Waffle Knit Thermal Long Johns Underwear
Mens 100% Cotton Top & Bottom 2PC Set Waffle Knit Thermal Long Johns Underwear on E-Bay starting at $15.99

Free Worldwide Shipping

Expedited: No

Next Day: No

NYC Golden Deal

Rating: 98.0%

Men's Merino Wool Blend Short Sleeve Thermal Top Underwear Thermals Base Layer
Men's Merino Wool Blend Short Sleeve Thermal Top Underwear Thermals Base Layer on E-Bay starting at $12.48

Free Flat Rate Shipping

Expedited: Yes

Next Day: No

Boutique Retailer

Rating: 98.3%

Black Men Fur Lined Elastic Warm Thermal Long Johns Legging Underwear Pants
Black Men Fur Lined Elastic Warm Thermal Long Johns Legging Underwear Pants on E-Bay starting at $23.99

Free Worldwide Shipping

Expedited: No

Next Day: No

NYC Golden Deal

Rating: 98.0%

US Army Thermal PANTS DRAWERS Underwear Heavyweight Polypropylene Polypro NIB
US Army Thermal PANTS DRAWERS Underwear Heavyweight Polypropylene Polypro NIB on E-Bay starting at $14.90

Free Flat Rate Domestic Shipping

Calculated International Shipping

Expedited: Yes

Next Day: No

Allegheny Surplus Outlet

Rating: 99.8%


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