Under Armour Kids - HeatGear® Armour Leggings (Big Kids). Color Steel/Black. On sale for $26.25. MSRP $35.00.. 4.7 out of 5 stars+2Brand NameUnder Armour KidsProduct NameHeatGear® Armour Leggings (Big Kids)ColorSteel/BlackPrice$26.25MSRP: $35.00Rating5Rated 5 stars out of 5(15)