Under Armour Kids - HeatGear® Armour Long Sleeve (Big Kids). Color Red/White. On sale for $29.76. MSRP $32.00.. 4.7 out of 5 stars+4Brand NameUnder Armour KidsProduct NameHeatGear® Armour Long Sleeve (Big Kids)ColorRed/WhitePrice$29.76MSRP: $32.00Rating5Rated 5 stars out of 5(17)