Under Armour Kids - HeatGear® Armour Leggings (Big Kids). Color Steel/Black. On sale for $26.97. MSRP $35.00.. 4.7 out of 5 starsAdd to favorites. 0 people have favorited this+2Brand NameUnder Armour KidsProduct NameHeatGear® Armour Leggings (Big Kids)ColorSteel/BlackPrice$26.97MSRP: $35.00Rating5Rated 5 stars out of 5(15)