HeatGear Armour is the original performance baselayer-the one you put on first and take off last. So are made it extra comfortable by wicking sweat and stretching so you can move no matter what.
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Under Armour Boys' HeatGear Armour Long Sleeve Shirt, XL, White
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Under Armour Men's UA HeatGear Armour Long Sleeve Compression Shirt MD Gray : Clothing, Shoes & Jewelry
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Under Armour Men's Heatgear Armour Long Sleeve
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Under Armour HeatGear Armour Compression Long-Sleeve T-Shirt for Men
Mesh underarm & back panels for strategic ventilation. Ergonomic design keeps seams off high abrasion areas & increases durability.
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Under Armour Men's Heatgear Compression Long Sleeve Shirt
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Under Armour Heatgear Armour Long Sleeve Shirt
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Under Armour Men's UA HeatGear Armour Long Sleeve Compression Shirt SM Black : Clothing, Shoes & Jewelry
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Under Armour HeatGear Armour Compression LS Tee
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Under Armour Men's Heatgear Armour Long Sleeve Shirt - Black