Under Armour Kids - HeatGear® Armour 3/4 Leggings (Big Kids). Color White/Black. On sale for $21.00. MSRP $30.00.. 3.7 out of 5 starsAdd to favorites. 0 people have favorited thisBrand NameUnder Armour KidsProduct NameHeatGear® Armour 3/4 Leggings (Big Kids)ColorWhite/BlackPrice$21.00MSRP: $30.00Rating4Rated 4 stars out of 5(9)