Under Armour Kids - ColdGear Armour Mock Long Sleeve T-Shirt (Big Kids). Color Black/White. $45.00. 4.9 out of 5 stars+2Brand NameUnder Armour KidsProduct NameColdGear Armour Mock Long Sleeve T-Shirt (Big Kids)ColorBlack/WhitePrice$45.00Rating5Rated 5 stars out of 5(27)