Under Armour Kids - ColdGear Armour Mock Long Sleeve T-Shirt (Big Kids). Color Black/White. Low Stock. On sale for $40.00. MSRP $45.00.. 4.9 out of 5 stars2 left in stock+2Brand NameUnder Armour KidsProduct NameColdGear Armour Mock Long Sleeve T-Shirt (Big Kids)ColorBlack/WhitePrice$40.00MSRP: $45.00Rating5Rated 5 stars out of 5(27)