Under Armour Kids - ColdGear Armour Long Sleeve T-Shirt (Big Kids). Color Charcoal Light Heather/Black. On sale for $40.00. MSRP $45.00.. 5.0 out of 5 stars+3Brand NameUnder Armour KidsProduct NameColdGear Armour Long Sleeve T-Shirt (Big Kids)ColorCharcoal Light Heather/BlackPrice$40.00MSRP: $45.00Rating5Rated 5 stars out of 5(31)