Under Armour - UA HeatGear® Armour Long Sleeve. Color Black/Metallic Silver. Low Stock. On sale for $20.96. MSRP $33.00.. 4.2 out of 5 stars4 left in stock+2Brand NameUnder ArmourProduct NameUA HeatGear® Armour Long SleeveColorBlack/Metallic SilverPrice$20.96MSRP: $33.00Rating4Rated 4 stars out of 5(27)