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Under Armour Cold Gear Performance Base Layers

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Under Armour Layers: Base 1.0, Base 2.0, Base 3.0Please view our UA Base Layer categories below:
UA Base Layers - Men's

Our Performance Grid Fabrics are constructed with a network of grid channels that trap more air using less yarn. This keeps them warm, lightweight, and quick drying, enabling maximum performance in a variety of conditions. Each layer is rated according to the level of warmth it provides--the higher the number, the greater the protection. Constructed with flat-lock stitching and ergonomic seam placement for free, easy movement.

UA Cold Gear Base 1.0

Lightest-weight base layer offers superior comfort and mobility at times when temperatures and exertion are higher, pairing maximum moisture transport capability with minimum bulk.

UA ColdGear Base 2.0

Under Armour's most versatile, all-purpose base layer provides exceptional moisture and temperature control in a variety of cool- and cold-weather conditions.

UA Extreme Weather Base 3.0

When temperatures tumble, count on these undergarments to keep you warm and dry. Built for optimal loft and insulating properties, Base 3.0 features flatlock stitching and ergonomic seam placement.

Under Armour Cold Gear Base Layer 1.0 Crew Neck Shirt-Black Under Armour Cold Gear Base Layer 1.0 Crew Neck Shirt-Black 1004600
The Cold Gear Base Layer 1.0 Shirt from Under Armour is a highly-versatile, super light-weight base layer shirt, designed for layering in Cooler weather conditions under higher activity. Under Armour's Cold Gear fabric is designed to channel heat throughout your body, keeping you warm and dry. The Base 1.0 Crew Neck Shirt provides excellent moisture and temperature control in a variety of cooler-weather conditions. Showcasing Under Armour's Armourblock Technology, a performance fiber that is built into the garment to neutralize the microbes that cause odor and bacteria. The Base Layer 1.0 shirt features flat lock stitching, ergonomic seam placement, and raglan sleeves for superior comfort, mobility and fit. Available in Black only.

Available Sizes: Small(SM), Medium(MD), Large(LG), Extra-Large(XL), 2X-Large(2XL), 3X-Large(3XL)

Under Armour Base Layer Technology: Under Armour's proprietary thermal grid base layer fabrics are constructed with a network of grid channels that trap more air using less yarn. This makes them incredibly lightweight and quick drying, while keeping your core temperature regulated, enabling maximum performance in a variety of conditions.


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Under Armour Cold Gear Base Layer 1.0 Leggings-Black Under Armour Cold Gear Base Layer 1.0 Leggings-Black 1004601
The Cold Gear Base Layer 1.0 Leggings from Under Armour are a highly-versatile, super light-weight legging, designed for layering in Cooler weather conditions under higher activity. Under Armour's Cold Gear fabric is designed to channel heat throughout your body, keeping you warm and dry. The Base Layer 1.0 leggings provide excellent moisture and temperature control in a variety of cooler-weather conditions. Showcasing Under Armour's Armourblock Technology, a performance fiber that is built into the garment to neutralize the microbes that cause odor and bacteria. The Base 1.0 leggings feature blue contrast flat lock stitching, ergonomic seam placement, and a working fly for superior comfort, mobility and fit. Available in Black only.

Available Sizes: Small(SM), Medium(MD), Large(LG), Extra-Large(XL), 2X-Large(2XL), 3X-Large(3XL)

Under Armour Base Layer Technology: Under Armour's proprietary thermal grid base layer fabrics are constructed with a network of grid channels that trap more air using less yarn. This makes them incredibly lightweight and quick drying, while keeping your core temperature regulated, enabling maximum performance in a variety of conditions.


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Under Armour Cold Gear Base Layer 2.0 Crew Neck Shirt-Black Under Armour Cold Gear Base Layer 2.0 Crew Neck Shirt-Black 1004602
The Cold Gear Base 2.0 Shirt from Under Armour is a highly-versatile, mid-weight shirt , designed for layering in Mid-Cold weather conditions. Under Armour's Cold Gear fabric is designed to channel heat throughout your body, keeping you warm and dry. The Base 2.0 Crew Neck Shirt provides excellent moisture and temperature control in a variety of cool-weather conditions. Showcasing Under Armour's Armourblock Technology, a performance fiber that is built into the garment to neutralize the microbes that cause odor and bacteria. The Base 2.0 shirt features flat lock stitching, ergonomic seam placement, and raglan sleeves for superior comfort, mobility and fit. Available in Black only.

Available Sizes: Small(SM), Medium(MD), Large(LG), Extra-Large(XL), 2X-Large(2XL), 3X-Large(3XL)

Under Armour Base Layer Technology: Under Armour's proprietary thermal grid base layer fabrics are constructed with a network of grid channels that trap more air using less yarn. This makes them incredibly lightweight and quick drying, while keeping your core temperature regulated, enabling maximum performance in a variety of conditions.


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Under Armour Cold Gear Base Layer 2.0 Leggings-Black Under Armour Cold Gear Base Layer 2.0 Leggings-Black 1004603
The Cold Gear Base Layer 2.0 Leggings from Under Armour are highly-versatile, all-purpose men's insulating layer leggings designed for layering in Mid-Cold weather conditions. Under Armour's Cold Gear fabric is designed to channel heat throughout your body, keeping you warm and dry. The Base Layer 2.0 leggings provide excellent moisture and temperature control in a variety of cool-weather conditions. Showcasing Under Armour's Armourblock Technology, a performance fiber that is built into the garment to neutralize the microbes that cause odor and bacteria. The Base 2.0 leggings feature blue contrast flat lock stitching, ergonomic seam placement, and a working fly for superior comfort, mobility and fit. Available in Black only.

Available Sizes: Small(SM), Medium(MD), Large(LG), Extra-Large(XL), 2X-Large(2XL), 3X-Large(3XL)

Under Armour Base Layer Technology: Under Armour's proprietary thermal grid base layer fabrics are constructed with a network of grid channels that trap more air using less yarn. This makes them incredibly lightweight and quick drying, while keeping your core temperature regulated, enabling maximum performance in a variety of conditions.


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Under Armour Cold Gear Base Layer 3.0 Crew Neck Shirt-Black Under Armour Cold Gear Base Layer 3.0 Crew Neck Shirt-Black 1004604
The Cold Gear Base Layer 3.0 Shirt from Under Armour, is a base layer top, designed to provide Maximum Warmth in extreme cold weather conditions. Under Armour's Cold Gear fabric is designed to channel heat throughout your body, keeping you warm and dry during all phases of activity. The Base Layer 3.0 Crew Neck Shirt provides excellent moisture management and temperature control and showcases Under Armour's Armourblock Technology, a performance fiber that is built into the garment to neutralize the microbes that cause odor and bacteria. The Base 3.0 shirt features flat lock stitching, ergonomic seam placement, and raglan sleeves for superior comfort, mobility and fit. Available in Black only.

Available Sizes: Small(SM), Medium(MD), Large(LG), Extra-Large(XL), 2X-Large(2XL), 3X-Large(3XL)

Under Armour Base Layer Technology: Under Armour's proprietary thermal grid base layer fabrics are constructed with a network of grid channels that trap more air using less yarn. This makes them incredibly lightweight and quick drying, while keeping your core temperature regulated, enabling maximum performance in a variety of conditions.


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Under Armour Cold Gear Base Layer 3.0 Leggings-Black Under Armour Cold Gear Base Layer 3.0 Leggings-Black 1004605
The Cold Gear Base Layer 3.0 Leggings from Under Armour, are base layer leggings, designed to provide Maximum Warmth in extreme cold conditions. Under Armour's Cold Gear fabric is designed to channel heat throughout your body, keeping you warm and dry throughout all phase of activity. The Base 3.0 leggings provide excellent moisture management and temperature control and showcase Under Armour's Armourblock Technology, a performance fiber that is built into the garment to neutralize the microbes that cause odor and bacteria. The Base Layer 3.0 leggings feature blue contrast flat lock stitching, ergonomic seam placement, and a working fly for superior comfort, mobility and fit. Available in Black only.

Available Sizes: Small(SM), Medium(MD), Large(LG), Extra-Large(XL), 2X-Large(2XL), 3X-Large(3XL)

Under Armour Base Layer Technology: Under Armour's proprietary thermal grid base layer fabrics are constructed with a network of grid channels that trap more air using less yarn. This makes them incredibly lightweight and quick drying, while keeping your core temperature regulated, enabling maximum performance in a variety of conditions.


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Under Armour Women's Cold Gear Base Layer 2.0 Crew Neck Shirt - Black Under Armour Women's Cold Gear Base Layer 2.0 Crew Neck Shirt - Black 1004702
The Women’s Cold Gear Base 2.0 Crew Neck Shirt from Under Armour, is a highly versatile base layer shirt, designed for Midweight Layering in colder conditions and a variety of activity levels. Under Armour's Women’s Cold Gear fabric is designed to channel heat throughout your body, keeping you warm and dry throughout all phases of activity. The Base 2.0 Crew Neck Shirt provides excellent moisture management and temperature control and showcases Under Armour's Armourblock Technology, a performance fiber that is built into the garment, to neutralize the microbes that cause odor and bacteria. The Base 2.0 Shirt for Women features raglan construction, ergonomic seam placement and flatlock stitching for superior comfort, mobility and fit. Available in Black and Pink.

Available Sizes: Small(SM), Medium(MD), Large(LG), Extra-Large(XL)

Under Armour Base Layer Technology: Under Armour's proprietary thermal grid base layer fabrics are constructed with a network of grid channels that trap more air using less yarn. This makes them incredibly lightweight and quick drying, while keeping your core temperature regulated, enabling maximum performance in a variety of conditions.


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Under Armour Women's Cold Gear Base Layer 2.0 Crew Neck Shirt - Pink Mist Under Armour Women's Cold Gear Base Layer 2.0 Crew Neck Shirt - Pink Mist 1004702
The Women’s Cold Gear Base 2.0 Crew Neck Shirt from Under Armour, is a highly versatile base layer shirt, designed for Midweight Layering in colder conditions and a variety of activity levels. Under Armour's Women’s Cold Gear fabric is designed to channel heat throughout your body, keeping you warm and dry throughout all phases of activity. The Base 2.0 Crew Neck Shirt provides excellent moisture management and temperature control and showcases Under Armour's Armourblock Technology, a performance fiber that is built into the garment, to neutralize the microbes that cause odor and bacteria. The Base 2.0 Shirt for Women features raglan construction, ergonomic seam placement and flatlock stitching for superior comfort, mobility and fit. Available in Black and Pink.

Available Sizes: Small(SM), Medium(MD), Large(LG), Extra-Large(XL)

Under Armour Base Layer Technology: Under Armour's proprietary thermal grid base layer fabrics are constructed with a network of grid channels that trap more air using less yarn. This makes them incredibly lightweight and quick drying, while keeping your core temperature regulated, enabling maximum performance in a variety of conditions.


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Under Armour Women's Cold Gear Base Layer 2.0 Leggings - Black Under Armour Women's Cold Gear Base Layer 2.0 Leggings - Black 1004703
The Women’s Cold Gear Base 2.0 Leggings from Under Armour, are highly versatile base layer pants, designed for Midweight Layering in colder conditions and a variety of activity levels. Under Armour's Women’s Cold Gear fabric is designed to channel heat throughout your body, keeping you warm and dry throughout all phases of activity. The Base 2.0 Leggings provide excellent moisture management and temperature control and showcase Under Armour's Armourblock Technology, a performance fiber that is built into the garment, to neutralize the microbes that cause odor and bacteria. The Base 2.0 Leggings for Women feature ergonomic seam placement and flatlock stitching for superior comfort, mobility and fit. Available in Black and Pink.

Available Sizes: Small(SM), Medium(MD), Large(LG), Extra-Large(XL)

Under Armour Base Layer Technology: Under Armour's proprietary thermal grid base layer fabrics are constructed with a network of grid channels that trap more air using less yarn. This makes them incredibly lightweight and quick drying, while keeping your core temperature regulated, enabling maximum performance in a variety of conditions.


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Under Armour Women's Cold Gear Base Layer 2.0 Leggings - Pink Mist Under Armour Women's Cold Gear Base Layer 2.0 Leggings - Pink Mist 1004703
The Women’s Cold Gear Base 2.0 Leggings from Under Armour, are highly versatile base layer pants, designed for Midweight Layering in colder conditions and a variety of activity levels. Under Armour's Women’s Cold Gear fabric is designed to channel heat throughout your body, keeping you warm and dry throughout all phases of activity. The Base 2.0 Leggings provide excellent moisture management and temperature control and showcase Under Armour's Armourblock Technology, a performance fiber that is built into the garment, to neutralize the microbes that cause odor and bacteria. The Base 2.0 Leggings for Women feature ergonomic seam placement and flatlock stitching for superior comfort, mobility and fit. Available in Black and Pink.

Available Sizes: Small(SM), Medium(MD), Large(LG), Extra-Large(XL)

Under Armour Base Layer Technology: Under Armour's proprietary thermal grid base layer fabrics are constructed with a network of grid channels that trap more air using less yarn. This makes them incredibly lightweight and quick drying, while keeping your core temperature regulated, enabling maximum performance in a variety of conditions.


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Under Armour Women's Cold Gear Base Layer 3.0 Crew Neck Shirt - Black Under Armour Women's Cold Gear Base Layer 3.0 Crew Neck Shirt - Black 1004704
The Women’s Cold Gear Base Layer 3.0 Crew Neck Shirt from Under Armour, is a base layer shirt, designed to provide Maximum Warmth in extreme cold conditions and lower exertion levels. Under Armour's Women’s Cold Gear fabric is designed to channel heat throughout your body, keeping you warm and dry throughout all phases of activity. The Base 3.0 Crew Neck Shirt provides excellent moisture management and temperature control and showcase Under Armour's Armourblock Technology, a performance fiber that is built into the garment to neutralize the microbes that cause odor and bacteria. The Base Layer 3.0 thermal for Women features raglan construction, ergonomic seam placement and flatlock stitching for superior comfort, mobility and fit. Available in Black only.

Available Sizes: Small(SM), Medium(MD), Large(LG), Extra-Large(XL)

Under Armour Base Layer Technology: Under Armour's proprietary thermal grid base layer fabrics are constructed with a network of grid channels that trap more air using less yarn. This makes them incredibly lightweight and quick drying, while keeping your core temperature regulated, enabling maximum performance in a variety of conditions.


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Under Armour Women's Cold Gear Base Layer 3.0 Leggings - Black Under Armour Women's Cold Gear Base Layer 3.0 Leggings - Black 1004705
The Women’s Cold Gear Base Layer 3.0 Leggings from Under Armour, are base layer leggings, designed to provide Maximum Warmth in extreme cold conditions and lower exertion levels. Under Armour's Women’s Cold Gear fabric is designed to channel heat throughout your body, keeping you warm and dry throughout all phases of activity. The Base 3.0 leggings provide excellent moisture management and temperature control and showcase Under Armour's Armourblock Technology, a performance fiber that is built into the garment to neutralize the microbes that cause odor and bacteria. The Base Layer 3.0 thermal leggings for Women feature a performance waistband, ergonomic seam placement and flatlock stitching for superior comfort, mobility and fit. Available in Black only.

Available Sizes: Small(SM), Medium(MD), Large(LG), Extra-Large(XL)

Under Armour Base Layer Technology: Under Armour's proprietary thermal grid base layer fabrics are constructed with a network of grid channels that trap more air using less yarn. This makes them incredibly lightweight and quick drying, while keeping your core temperature regulated, enabling maximum performance in a variety of conditions.


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