Heat Gear Armour is our original performance baselayer-the one you put on first and take off last. Super-light Heat Gear fabric delivers superior coverage without weighing you down. Mesh underarm & back panels for strategic ventilation. Material wicks sweat & dries really fast. Anti-odor technology prevents the growth of odor-causing microbes.
![Under Armour Men's HeatGear Armour Long Sleeve Shirt - Black](https://academy.scene7.com/is/image/academy/20610582?$pdp-gallery-ng$)
Under Armour Men's HeatGear Armour Comp Long Sleeve Top
UA Tech is the original go-to training gear: loose, light, and it keeps you cool. That means this long sleeve training shirt does everything you need it to.
![Under Armour Men's HeatGear Armour Long Sleeve Shirt - Black](https://dks.scene7.com/is/image/GolfGalaxy/18UARMTCHLSXXXXXXAPT_Pitch_Gray_Black?qlt=70&wid=700&fmt=pjpeg&op_sharpen=1)
Men's Under Armour Tech 2.0 Long Sleeve Shirt
![Under Armour Men's HeatGear Armour Long Sleeve Shirt - Black](https://i.ebayimg.com/images/g/56gAAOSwJ1dh5j5u/s-l1600.jpg)
NWT Under Armour Mens SZ MED All Season Gear Loose Fit Blue
Super-light HeatGear fabric delivers superior coverage without weighing you down. Mesh underarm back panels for strategic ventilation. Ergonomic design keeps seams off high abrasion areas increases durability. Hybrid raglan sleeve construction for added range of motion comfort. Write-in locker tag on back of neck for your initials or number.
![Under Armour Men's HeatGear Armour Long Sleeve Shirt - Black](https://underarmour.scene7.com/is/image/Underarmour/V5-1361518-100_FC?rp=standard-0pad%7CpdpMainDesktop&scl=1&fmt=jpg&qlt=75&resMode=sharp2&cache=on%2Con&bgc=F0F0F0&wid=566&hei=708&size=566%2C708)
Under Armour Men's Heatgear Armour Short-Sleeve Compression Shirt - White
![Under Armour Men's HeatGear Armour Long Sleeve Shirt - Black](https://www.marmonsports.com/53939-home_default/men-s-under-armour-heatgear-armour-long-sleeve-top-whiteblack.jpg)
Men's Under Armour HeatGear® Armour Long Sleeve Top - 1361524-100
HeatGear fabric - with all the benefits of UA Compression - is comfortable enough to be worn all-day.
![Under Armour Men's HeatGear Armour Long Sleeve Shirt - Black](https://i5.walmartimages.com/asr/7de3cf63-fa19-499b-9695-c2c90c550c19_1.b62ec7106cee7d26942473ae79904bad.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
Under Armour Men's Heatgear Armour Long Sleeve Compression Shirt - White
![Under Armour Men's HeatGear Armour Long Sleeve Shirt - Black](https://www.internationaljock.com/v3/prld.xlg?partno=91801&width=498&view=img4)
Under Armour HeatGear Armour Mock Long Sleeve White 1369606-100 at
![Under Armour Men's HeatGear Armour Long Sleeve Shirt - Black](https://www.internationaljock.com/v3/prld.xlg?partno=91801&width=498&view=img3)
Under Armour Heatgear Armour Mock Long Sleeve White
![Under Armour Men's HeatGear Armour Long Sleeve Shirt - Black](https://underarmour.scene7.com/is/image/Underarmour/V5-1369606-001_FC?rp=standard-0pad%7CpdpMainDesktop&scl=1&fmt=jpg&qlt=75&resMode=sharp2&cache=on%2Con&bgc=F0F0F0&wid=566&hei=708&size=566%2C708)
Men's HeatGear® Mock Long Sleeve