Under Armour Kids - Heat Gear Armour Leggings (Big Kids). Color Midnight Navy. Low Stock. On sale for $29.69. MSRP $35.00.. 5.0 out of 5 stars1 left in stockBrand NameUnder Armour KidsProduct NameHeat Gear Armour Leggings (Big Kids)ColorMidnight NavyPrice$29.69MSRP: $35.00