We heard you and this season, we're bringing back the very first version of HeatGear® we ever made. With the classic compression fit and thicker, ultra-cooling fabric, when you're wearing this mock nothing can stop you.

4-Way Stretch
Chafe-Free
Fast-Drying

Product Details

Our original, thicker HeatGear® fabric helps keeps you protected under your gear—limiting pinching, snagging & chafing
Material wicks sweat & dries really fast
4-way stretch material moves better in every direction
Ergonomic flatlock seams deliver a comfortable, chafe-free fit
Light & tight fit with optimum muscle compression so you can sense where your body is in space
Mock neck for added coverage

Size & Fit

Athlete is 6'2" & wearing size LG

Compression: Ultra-tight, second-skin fit.

Specs & Care

Style #: 1390098
83% Polyester/17% Elastane
Imported

Reviews(130)

4.9

Recommended: 97%

130 Ratings

Comfort

Uncomfortable

Average

Very Comfortable

Fit

Too Small

True to Size

Too Large

What Customers Are Saying:

The product provides excellent compression, comfort, and breathability, making it a great base layer for athletic activities.
Reviewers describe it as well-fitting, durable, and stylish.
Many customers appreciate the quality and performance, with some purchasing multiple shirts.

This AI-generated summary is based on real customer reviews.

Images from Customers

Attractive and comfortable material

5 days ago

I love this HeatGear Mock neck shirt. It is very comfortable and beautiful.

Location: Hampton,VA.

Reviews: 1

Votes: 0

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Helpful?

Reported

Good Product

ALP039

5 days ago

This color is a GREAT eye catcher and stands out. VERY GOOD for intense workouts. Material is durable and helps wick the sweat off my body keeping me dry.

Location: Dallas, TX

Reviews: 1

Votes: 0

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This product is great for work under my coveralls.

dthomas1980

13 days ago

I wear these mock short sleeves under my coveralls at work. I have 8 pairs and I keep replacing them when they get worn out.

Location: Timmins, ON

Reviews: 1

Votes: 0

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Q&A(6)

If the chest size and the waist size would give a different size, which one should I use?

kmk001

4 days ago

Hi there! Please use our Size & Fit Guide on the HeatGear® OG Compression Men's Mock Short Sleeve's product page to find the perfect size for you!

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Julie P., UA Expert

4 days ago

Helpful?

Would this be good for a law enforcement profession wearing body armor for a good number of hours or what do you guys recommend for that?

Bryan5505

last month

Hey, there! Our HeatGear® OG Compression shirt is designed to keep you protected under sporting gear, by limiting pinching, snagging, and chafing, so it may work!

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UA Expert Heather V.

last month

Helpful?

Is there a long sleeve version?

Anotarba

2 months ago

Hi! Yes, you can check out the HeatGear® Men's Compression Mock Long Sleeve (style 1369606) here: https://www.underarmour.com/en-us/p/shirts_and_tops/heatgear_mens_compression_mock_long_sleeve/1369606.html?dwvar_1369606_color=001

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Dai P.

2 months ago

Helpful?

How would you rate our products and descriptions?