Best Under Armour Heatgear of 2026

Last updated on 03/04/2026

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Under Armour UA HG Armour Comp Mock LS - Long Sleeve - Tops - White/Black - Size: SM

Under Armour UA HG Armour Comp Mock LS - Long Sleeve - Tops - White/Black - Size: SM

Under Armour

9% Off

Why we love it

Lightweight HeatGear fabric benefits.
Strategic ventilation with stretch-mesh.
Anti-odor technology keeps fresh.

Main Highlights

UNDER ARMOUR HEATGEAR COMPRESSION LONG SLEEVE T-SHIRT: Original performance baselayer with a tight, second-skin fit, providing support, comfort, and moisture-wicking performance for training and sports.
SUPER-LIGHT HEATGEAR FABRIC: Ultra-soft, lightweight material that wicks sweat quickly and dries fast, keeping you cool and comfortable throughout activity.
COOL & BREATHABLE: Hybrid raglan sleeve construction moves easily with your body for unrestricted movement, while mesh panels in key areas improve airflow to keep you comfortable and cool.
EASY CARE & DURABLE: Machine wash cold with like colours; tumble dry low; use only non-chlorine bleach when needed. Do not iron, use softeners, or dry clean. Built to maintain fit, softness, and performance through repeated washes.
EMPOWERING PERFORMANCE: Created with innovation and purpose, Under Armour brings performance solutions you never knew you needed and can't imagine living without.

9.8

Exceptional

9.8

Exceptional

Under Armour

Under Armour UA HG Armour Comp Mock LS - Long Sleeve - Tops - White/Black - Size: SM

9% Off

Why we love it

Lightweight HeatGear fabric benefits.
Strategic ventilation with stretch-mesh.
Anti-odor technology keeps fresh.

Main Highlights

UNDER ARMOUR HEATGEAR COMPRESSION LONG SLEEVE T-SHIRT: Original performance baselayer with a tight, second-skin fit, providing support, comfort, and moisture-wicking performance for training and sports.
SUPER-LIGHT HEATGEAR FABRIC: Ultra-soft, lightweight material that wicks sweat quickly and dries fast, keeping you cool and comfortable throughout activity.
COOL & BREATHABLE: Hybrid raglan sleeve construction moves easily with your body for unrestricted movement, while mesh panels in key areas improve airflow to keep you comfortable and cool.
EASY CARE & DURABLE: Machine wash cold with like colours; tumble dry low; use only non-chlorine bleach when needed. Do not iron, use softeners, or dry clean. Built to maintain fit, softness, and performance through repeated washes.
EMPOWERING PERFORMANCE: Created with innovation and purpose, Under Armour brings performance solutions you never knew you needed and can't imagine living without.

Value for Money

Under Armour Men UA HG Armour Comp LS, Long-Sleeve Sports Top, Breathable Long-Sleeved Top for Men

Under Armour Men UA HG Armour Comp LS, Long-Sleeve Sports Top, Breathable Long-Sleeved Top for Men

Under Armour

25% Off

Why we love it

Quickly dries and protects skin.
Ensures extra sweat ventilation.
Provides all-day freshness.

Main Highlights

Ideal Sports Clothing – The long-sleeve training shirt dries quickly, protects from sun rays and offers absolute comfort when worn.
Sweat Less – With its innovative fabric, the quick-drying sports shirt draws sweat away from the skin, while the net insert ensures extra ventilation.
Optimal Comfort – The long-sleeve top has all the advantages of UA compression, but is still comfortable enough to be worn all day.
All-day freshness – With anti-odour technology, the running shirt prevents the growth of odour-causing bacteria, keeping you fresh all day.
Material and Fit – Under Armour men’s compression top UA HG Armour Comp LS. Sportshirt. Fit: Compression. Material: Polyester/elastane

Under Armour Men UA HG Armour Comp LS, Long-Sleeve Sports Top, Breathable Long-Sleeved Top for Men

25% Off

Why we love it

Quickly dries and protects skin.
Ensures extra sweat ventilation.
Provides all-day freshness.

Main Highlights

Ideal Sports Clothing – The long-sleeve training shirt dries quickly, protects from sun rays and offers absolute comfort when worn.
Sweat Less – With its innovative fabric, the quick-drying sports shirt draws sweat away from the skin, while the net insert ensures extra ventilation.
Optimal Comfort – The long-sleeve top has all the advantages of UA compression, but is still comfortable enough to be worn all day.
All-day freshness – With anti-odour technology, the running shirt prevents the growth of odour-causing bacteria, keeping you fresh all day.
Material and Fit – Under Armour men’s compression top UA HG Armour Comp LS. Sportshirt. Fit: Compression. Material: Polyester/elastane

Under Armour Men UA HG Armour Leggings, Comfortable and robust gym leggings, lightweight and elastic thermal underwear with compression fit

Under Armour Men UA HG Armour Leggings, Comfortable and robust gym leggings, lightweight and elastic thermal underwear with compression fit

Under Armour

15% Off

Why we love it

Enhances movement with lightweight fabric.
Innovative design elevates durability.
Quick-drying with extra ventilation.

Main Highlights

UNDER ARMOUR HEATGEAR LEGGINGS: Lightweight, fitted baselayer engineered for seamless comfort and unrestricted mobility during training and sports. The ergonomic construction keeps seams away from high-abrasion zones, enhancing both durability and performance.
ADVANCED HEATGEAR FABRIC: Delivers superior coverage without weighing you down. Updated gusset design provides ultimate comfort and range of motion. Ultra-soft, quick-drying material feels smooth against the skin, wicks sweat efficiently, and keeps you comfortable throughout activity.
COOL & BREATHABLE: Strategically placed mesh panels enhance airflow in high-heat zones, maintaining comfort during high-intensity movement. Odor control technology helps minimize odor for lasting freshness.
STRETCH & SECURE FIT: Built with 4-way stretch fabric that moves effortlessly with your body, these leggings deliver flexibility without compromise. The elastic waistband provides a snug, stay-put fit, while the drop-in Strength Pocket on the right side keeps essentials close and secure.
EMPOWERING PERFORMANCE: Created with innovation and purpose, Under Armour brings performance solutions you never knew you needed and can't imagine living without.

Under Armour Men UA HG Armour Leggings, Comfortable and robust gym leggings, lightweight and elastic thermal underwear with compression fit

15% Off

Why we love it

Enhances movement with lightweight fabric.
Innovative design elevates durability.
Quick-drying with extra ventilation.

Main Highlights

UNDER ARMOUR HEATGEAR LEGGINGS: Lightweight, fitted baselayer engineered for seamless comfort and unrestricted mobility during training and sports. The ergonomic construction keeps seams away from high-abrasion zones, enhancing both durability and performance.
ADVANCED HEATGEAR FABRIC: Delivers superior coverage without weighing you down. Updated gusset design provides ultimate comfort and range of motion. Ultra-soft, quick-drying material feels smooth against the skin, wicks sweat efficiently, and keeps you comfortable throughout activity.
COOL & BREATHABLE: Strategically placed mesh panels enhance airflow in high-heat zones, maintaining comfort during high-intensity movement. Odor control technology helps minimize odor for lasting freshness.
STRETCH & SECURE FIT: Built with 4-way stretch fabric that moves effortlessly with your body, these leggings deliver flexibility without compromise. The elastic waistband provides a snug, stay-put fit, while the drop-in Strength Pocket on the right side keeps essentials close and secure.
EMPOWERING PERFORMANCE: Created with innovation and purpose, Under Armour brings performance solutions you never knew you needed and can't imagine living without.

Under Armour UA HG Armour Comp Mock LS - Long Sleeve - Tops - Black/White - Size: MD

Under Armour UA HG Armour Comp Mock LS - Long Sleeve - Tops - Black/White - Size: MD

Under Armour

28% Off

Why we love it

Lightweight HeatGear fabric compression.
Strategic ventilation with stretch-mesh.
Prevents odor-causing microbes growth.

Main Highlights

UNDER ARMOUR HEATGEAR COMPRESSION LONG SLEEVE T-SHIRT: Original performance baselayer with a tight, second-skin fit, providing support, comfort, and moisture-wicking performance for training and sports.
SUPER-LIGHT HEATGEAR FABRIC: Ultra-soft, lightweight material that wicks sweat quickly and dries fast, keeping you cool and comfortable throughout activity.
COOL & BREATHABLE: Hybrid raglan sleeve construction moves easily with your body for unrestricted movement, while mesh panels in key areas improve airflow to keep you comfortable and cool.
EASY CARE & DURABLE: Machine wash cold with like colours; tumble dry low; use only non-chlorine bleach when needed. Do not iron, use softeners, or dry clean. Built to maintain fit, softness, and performance through repeated washes.
EMPOWERING PERFORMANCE: Created with innovation and purpose, Under Armour brings performance solutions you never knew you needed and can't imagine living without.

Under Armour UA HG Armour Comp Mock LS - Long Sleeve - Tops - Black/White - Size: MD

28% Off

Why we love it

Lightweight HeatGear fabric compression.
Strategic ventilation with stretch-mesh.
Prevents odor-causing microbes growth.

Main Highlights

UNDER ARMOUR HEATGEAR COMPRESSION LONG SLEEVE T-SHIRT: Original performance baselayer with a tight, second-skin fit, providing support, comfort, and moisture-wicking performance for training and sports.
SUPER-LIGHT HEATGEAR FABRIC: Ultra-soft, lightweight material that wicks sweat quickly and dries fast, keeping you cool and comfortable throughout activity.
COOL & BREATHABLE: Hybrid raglan sleeve construction moves easily with your body for unrestricted movement, while mesh panels in key areas improve airflow to keep you comfortable and cool.
EASY CARE & DURABLE: Machine wash cold with like colours; tumble dry low; use only non-chlorine bleach when needed. Do not iron, use softeners, or dry clean. Built to maintain fit, softness, and performance through repeated washes.
EMPOWERING PERFORMANCE: Created with innovation and purpose, Under Armour brings performance solutions you never knew you needed and can't imagine living without.

Under Armour Men UA HG Armour Comp LS, Long-Sleeve Sports Top, Breathable Long-Sleeved Top for Men

Under Armour

25% Off

Why we love it

Quick-drying and sun protective.
Promotes sweat-free comfort.
Boasts anti-odour technology.

Main Highlights

Ideal Sports Clothing – The long-sleeve training shirt dries quickly, protects from sun rays and offers absolute comfort when worn.
Sweat Less – With its innovative fabric, the quick-drying sports shirt draws sweat away from the skin, while the net insert ensures extra ventilation.
Optimal Comfort – The long-sleeve top has all the advantages of UA compression, but is still comfortable enough to be worn all day.
All-day freshness – With anti-odour technology, the running shirt prevents the growth of odour-causing bacteria, keeping you fresh all day.
Material and Fit – Under Armour men’s compression top UA HG Armour Comp LS. Sportshirt. Fit: Compression. Material: Polyester/elastane

Under Armour Men UA HG Armour Comp LS, Long-Sleeve Sports Top, Breathable Long-Sleeved Top for Men

25% Off

Why we love it

Quick-drying and sun protective.
Promotes sweat-free comfort.
Boasts anti-odour technology.

Main Highlights

Ideal Sports Clothing – The long-sleeve training shirt dries quickly, protects from sun rays and offers absolute comfort when worn.
Sweat Less – With its innovative fabric, the quick-drying sports shirt draws sweat away from the skin, while the net insert ensures extra ventilation.
Optimal Comfort – The long-sleeve top has all the advantages of UA compression, but is still comfortable enough to be worn all day.
All-day freshness – With anti-odour technology, the running shirt prevents the growth of odour-causing bacteria, keeping you fresh all day.
Material and Fit – Under Armour men’s compression top UA HG Armour Comp LS. Sportshirt. Fit: Compression. Material: Polyester/elastane

Under Armour UA CG Armour Comp Mock - Long Sleeve - Tops - Black/White - Size: MD

Under Armour UA CG Armour Comp Mock - Long Sleeve - Tops - Black/White - Size: MD

Under Armour

25% Off

Why we love it

Keeps you ultra-warm and covered.
Strategically ventilated for breathability.
Sweat-wicking fast-drying material.

Main Highlights

Ultra-warm – The men's thermal top features a dual-layer fabric with an ultra-warm, brushed interior and a mock neck for added coverage and warmth.
Strategic ventilation – With a stretch-mesh back and underarm panels, the compression top gives breathability just in the places you need it.
Smooth and stretchy – The thermal base layer for men's 4-way stretch material gives you full freedom of movement throughout the training session.
Sweat-wicking – Even in fast-action, stay cool with the ski base layer's sweat-wicking, fast-drying material, which features anti-odour technology.
Material and fit – Under Armour Men's UA CG Armour Comp Mock, turtle neck top for men, winter running top, material: 87% polyester/13% elastane.

Under Armour UA CG Armour Comp Mock - Long Sleeve - Tops - Black/White - Size: MD

25% Off

Why we love it

Keeps you ultra-warm and covered.
Strategically ventilated for breathability.
Sweat-wicking fast-drying material.

Main Highlights

Ultra-warm – The men's thermal top features a dual-layer fabric with an ultra-warm, brushed interior and a mock neck for added coverage and warmth.
Strategic ventilation – With a stretch-mesh back and underarm panels, the compression top gives breathability just in the places you need it.
Smooth and stretchy – The thermal base layer for men's 4-way stretch material gives you full freedom of movement throughout the training session.
Sweat-wicking – Even in fast-action, stay cool with the ski base layer's sweat-wicking, fast-drying material, which features anti-odour technology.
Material and fit – Under Armour Men's UA CG Armour Comp Mock, turtle neck top for men, winter running top, material: 87% polyester/13% elastane.

Under Armour Cold Gear Armour Tights & Leggings Men's, L, Black, 1366075

Under Armour Cold Gear Armour Tights & Leggings Men's, L, Black, 1366075

Under Armour

15% Off

Why we love it

Keeps warm and dries fast.
Flexible and enhances ventilation.
Neutralizes unpleasant odors.

Main Highlights

Dual-layer fabric with an ultra-warm, brushed interior and a smooth, fast-drying exterior
Stretch-mesh gusset and inseam panels provide strategic ventilation
4-way stretch construction moves better in every direction
Material wicks sweat and dries really fast
Anti-odor technology prevents the growth of odor-causing microbes

Under Armour Cold Gear Armour Tights & Leggings Men's, L, Black, 1366075

15% Off

Why we love it

Keeps warm and dries fast.
Flexible and enhances ventilation.
Neutralizes unpleasant odors.

Main Highlights

Dual-layer fabric with an ultra-warm, brushed interior and a smooth, fast-drying exterior
Stretch-mesh gusset and inseam panels provide strategic ventilation
4-way stretch construction moves better in every direction
Material wicks sweat and dries really fast
Anti-odor technology prevents the growth of odor-causing microbes

Under Armour Men UA HG Armour 3/4 Legging, Comfortable and robust gym leggings, lightweight and elastic thermal underwear with compression fit.

Under Armour Men UA HG Armour 3/4 Legging, Comfortable and robust gym leggings, lightweight and elastic thermal underwear with compression fit.

Under Armour

Why we love it

Enhances movement with lightweight fabric.
Robust design ensures durability.
Quick-drying fabric provides comfort.

Main Highlights

Flexible sportswear - The 3/4 length compression tights are made of a robust, quick-drying and lightweight fabric which allows freedom of movement.
HeatGear fabric - With the lightweight and robust HeatGear fabric and an elasticated waistband, the sports leggings have a skin-tight fit.
Durable design - With an ergonomic design which keeps seams off high abrasion areas and increases durability, the running leggings are made to last.
Quick-drying - The base layer draws sweat away from the skin and dries quickly, and strategic mesh panels provide extra ventilation.
Material and fit - UA HG Armour 3/4 Legging, compression running tights, fit - compression, material - Body: 84% Polyester/16% Elastane Mesh: 92% Polyester/8% Elastane.

Under Armour Men UA HG Armour 3/4 Legging, Comfortable and robust gym leggings, lightweight and elastic thermal underwear with compression fit.

Why we love it

Enhances movement with lightweight fabric.
Robust design ensures durability.
Quick-drying fabric provides comfort.

Main Highlights

Flexible sportswear - The 3/4 length compression tights are made of a robust, quick-drying and lightweight fabric which allows freedom of movement.
HeatGear fabric - With the lightweight and robust HeatGear fabric and an elasticated waistband, the sports leggings have a skin-tight fit.
Durable design - With an ergonomic design which keeps seams off high abrasion areas and increases durability, the running leggings are made to last.
Quick-drying - The base layer draws sweat away from the skin and dries quickly, and strategic mesh panels provide extra ventilation.
Material and fit - UA HG Armour 3/4 Legging, compression running tights, fit - compression, material - Body: 84% Polyester/16% Elastane Mesh: 92% Polyester/8% Elastane.

Under Armour Mens UA HG Armour Comp SS, short-sleeved sports t-shirt for men, comfortable and lightweight gym clothes for workouts

Under Armour Mens UA HG Armour Comp SS, short-sleeved sports t-shirt for men, comfortable and lightweight gym clothes for workouts

Under Armour

8% Off

Why we love it

Lightweight, thanks to HeatGear fabric.
Ventilation in key sweat zones.
Prevents odour with advanced technology.

Main Highlights

UNDER ARMOUR HEATGEAR COMPRESSION T-SHIRT: A tight, second-skin fit designed for athletes seeking superior support and performance—super-light, breathable, and dries fast.
ADVANCED HEATGEAR FABRIC: This lightweight, 4-way stretch material moves better in every direction, offering freedom of movement and lasting durability.
COOL & BREATHABLE: Strategically placed mesh panels under the arms and across the back provide targeted airflow, keeping you cool and dry throughout your workout. Features an exposed elastic waistband with wordmark detail for a secure, athletic fit.
EASY CARE & DURABLE: Machine wash cold with like colours; tumble dry low. Do not iron. Do not use softeners. Do not dry clean. Odor control technology helps minimize odor for lasting freshness.
EMPOWERING PERFORMANCE: Created with innovation and purpose, Under Armour brings performance solutions you never knew you needed and can't imagine living without.

Under Armour Mens UA HG Armour Comp SS, short-sleeved sports t-shirt for men, comfortable and lightweight gym clothes for workouts

8% Off

Why we love it

Lightweight, thanks to HeatGear fabric.
Ventilation in key sweat zones.
Prevents odour with advanced technology.

Main Highlights

UNDER ARMOUR HEATGEAR COMPRESSION T-SHIRT: A tight, second-skin fit designed for athletes seeking superior support and performance—super-light, breathable, and dries fast.
ADVANCED HEATGEAR FABRIC: This lightweight, 4-way stretch material moves better in every direction, offering freedom of movement and lasting durability.
COOL & BREATHABLE: Strategically placed mesh panels under the arms and across the back provide targeted airflow, keeping you cool and dry throughout your workout. Features an exposed elastic waistband with wordmark detail for a secure, athletic fit.
EASY CARE & DURABLE: Machine wash cold with like colours; tumble dry low. Do not iron. Do not use softeners. Do not dry clean. Odor control technology helps minimize odor for lasting freshness.
EMPOWERING PERFORMANCE: Created with innovation and purpose, Under Armour brings performance solutions you never knew you needed and can't imagine living without.

Under Armour Men UA HG Armour Comp LS, Long-Sleeve Sports Top, Breathable Long-Sleeved Top for Men

Under Armour

22% Off

Why we love it

Quick-drying for superb comfort.
Advanced fabric for sweat control.
Anti-odour for all-day freshness.

Main Highlights

Ideal Sports Clothing – The long-sleeve training shirt dries quickly, protects from sun rays and offers absolute comfort when worn.
Sweat Less – With its innovative fabric, the quick-drying sports shirt draws sweat away from the skin, while the net insert ensures extra ventilation.
Optimal Comfort – The long-sleeve top has all the advantages of UA compression, but is still comfortable enough to be worn all day.
All-day freshness – With anti-odour technology, the running shirt prevents the growth of odour-causing bacteria, keeping you fresh all day.
Material and Fit – Under Armour men’s compression top UA HG Armour Comp LS. Sportshirt. Fit: Compression. Material: Polyester/elastane

Under Armour Men UA HG Armour Comp LS, Long-Sleeve Sports Top, Breathable Long-Sleeved Top for Men

22% Off

Why we love it

Quick-drying for superb comfort.
Advanced fabric for sweat control.
Anti-odour for all-day freshness.

Main Highlights

Ideal Sports Clothing – The long-sleeve training shirt dries quickly, protects from sun rays and offers absolute comfort when worn.
Sweat Less – With its innovative fabric, the quick-drying sports shirt draws sweat away from the skin, while the net insert ensures extra ventilation.
Optimal Comfort – The long-sleeve top has all the advantages of UA compression, but is still comfortable enough to be worn all day.
All-day freshness – With anti-odour technology, the running shirt prevents the growth of odour-causing bacteria, keeping you fresh all day.
Material and Fit – Under Armour men’s compression top UA HG Armour Comp LS. Sportshirt. Fit: Compression. Material: Polyester/elastane

We scanned 650 products

We reviewed these offers relevant to the Under Armour Heatgear within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Under Armour, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Under Armour Heatgear in the market, we considered we took a deep dive into 3251 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Under Armour UA HG Armour Comp Mock LS - Long Sleeve - Tops - White/Black - Size: SM. We love many things about this product by Under Armour. What sets it apart from the competition is Lightweight HeatGear fabric benefits. , Strategic ventilation with stretch-mesh. , Anti-odor technology keeps fresh. .
The best value product for most shoppers and where user satisfaction is continuously the highest is Under Armour Men UA HG Armour Comp LS, Long-Sleeve Sports Top, Breathable Long-Sleeved Top for Men by Under Armour based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Under Armour Heatgear and the best cost-to-value ratio is Under Armour UA HG Armour Comp Mock LS - Long Sleeve - Tops - Black/White - Size: MDat Under Armour with a 28% discount.
Our list of the best Under Armour Heatgear is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.